Open To Work
SRINI (Srinivas Vuttarapally)
Allentown,PA
Summary
- Senior Network Security Architect | Enterprise Network Security Transformation Leader
Strategic technology leader with 15+ years of experience driving enterprise network security modernization, cloud security transformation, and Zero Trust architecture initiatives across hybrid, multi-cloud, and on-premises environments. Proven expertise leading large-scale SASE, SD-WAN, SSE, AWS networking, and security programs while partnering with executive leadership to align technology investments with business outcomes. Recognized for translating complex technical architectures into executive-level strategies that improve cyber resilience, operational efficiency, cloud adoption, and cost optimization.
Overview
2
2
Certification
20
20
years of professional experience
Work History
Senior Network Security Architect – Strategy, Analysis & Innovation
The Guardian Life Insurance Company of America
01.2022 - 01.2026
- Led enterprise Zero Trust strategy to support cloud transformation, digital workforce initiatives, and enterprise security modernization
- Defined strategic roadmaps for Zero Trust Architecture (ZTA), SASE, SSE, ZTNA, DLP, microsegmentation, and cloud-native security capabilities
- Designed enterprise network security architecture to support Zero Trust initiatives across global financial environments
- Developed a comprehensive Zero Trust Architecture (ZTA) and ZTNA roadmap to modernize network access and significantly reduce the corporate attack surface
- Designed enterprise-wide Zero Trust segmentation architecture leveraging VMware NSX and Illumio concepts
- Directed global network segmentation strategies by leveraging data analytics to prioritize enterprise-wide risk reduction and enhance infrastructure security
- Developed enterprise network segmentation strategies that significantly reduced attack surface and improved cyber resilience
- Implemented advanced micro-segmentation techniques to isolate critical assets and reduce lateral movement risks within the network infrastructure
- Reduced lateral movement risks by implementing application-aware security policies
- Coordinated multi-vendor security technology integrations to streamline network defense mechanisms and increase operational efficiency by 20%
- Formulated strategic partnerships with technology vendors to pilot next-generation network security solutions, driving early adoption and competitive advantage
- Evaluated emerging network security technologies via rigorous proof-of-concept testing to guide strategic investment decisions
- Led strategic evaluations of emerging security technologies, including AI-driven threat detection, modern identity-aware security, and Zero Trust innovations
- Led proof-of-concept evaluations of Illumio micro-segmentation technology to enhance enterprise workload protection
- Provided executive guidance on security investment decisions and technology roadmaps
- Engineered Enterprise Security Architecture (ESA) by applying SABSA, COBIT, and TOGAF frameworks to align network security with business objectives and regulatory requirements
- Designed enterprise security architectures leveraging SABSA, TOGAF, and COBIT frameworks
- Acted as the ISO subject matter expert within Enterprise Security Architecture (ESA), defining methods and procedures for new assignments and evaluating risk and controls for critical products
- Collaborated with executive leadership to establish enterprise security governance aligned with business objectives and regulatory requirements
- Defined enterprise security standards, governance processes, and architectural review methodologies
- Integrated security architecture principles into digital transformation initiatives by collaborating with business units, enhancing risk posture while maintaining agility
- Developed scalable security automation workflows with cross-departmental teams, reducing incident response times by 30%
- Led security automation initiatives to enhance operational efficiency and reduce incident response time
- Developed AI-assisted security automation workflows using Python and REST APIs to enhance firewall policy validation and security operations
- Developed AI-assisted network security automation workflows leveraging Python, REST APIs, and large language model technologies
- Improved consistency, speed, and auditability of network security changes by implementing automation and modern engineering practices such as AI, scripting, APIs, infrastructure-as-code, and CI/CD
- Automated firewall policy validation, configuration compliance, security documentation generation, and risk analysis
- Automated validation of firewall objects
- Automated firewall rule lifecycle management to enhance network security automation
- Automated workflows for policy audits
- Automated security policy deployments and compliance auditing to enhance efficiency
- Automated security compliance reporting
- Developed reusable Infrastructure-as-Code templates to support secure network infrastructure deployments
- Designed advanced threat detection models integrating machine learning to enhance proactive network defense capabilities
- Developed a comprehensive threat intelligence integration framework to enhance real-time detection and response capabilities across distributed environments
- Integrated AI and LLM capabilities into engineering workflows to enhance operational efficiency and security analysis
- Architected adaptive network security policies using behavioral analytics to dynamically mitigate insider threats across global operations
- Integrated blockchain-based identity verification into network access controls to enhance authentication robustness and reduce fraud risk
- Devised scalable encryption strategies for multi-cloud environments to enhance data confidentiality and ensure compliance across global operations
- Developed enterprise encryption strategies to support multi-cloud data protection initiatives
- Collaborated with Cloud, Infrastructure, Identity, Security Engineering, SOC, and Enterprise Architecture teams
- Collaborated with Infrastructure Engineering and Application teams to implement secure network segmentation strategies
- Converted engineering trade-offs into clear decisions, timelines, and risk-based outcomes, demonstrating effective stakeholder management and communication skills
- Mentored junior architects on emerging network security technologies and strategic frameworks, fostering innovation and skill development within the team
- Designed resilient network security architectures integrating quantum-safe cryptographic algorithms to future-proof data protection
- Designed, tested, and certified solutions in a lab environment by developing implementation standards, test plans, evidence, and operational runbooks to support risk and regulatory requirements
- Managed backlog and tracked delivery using Jira tools—epics, stories, sprint planning, dashboards, and reporting—within Agile and DevOps frameworks
- Applied extensive hands-on expertise in network security technologies, including NGFWs, IDS/IPS, WAF/proxy/SWG, NAC, VPN/remote access, segmentation, SASE components, and cloud-native network security controls
Information Security Senior Engineer – Security Services Engineering
The Guardian Life Insurance Company of America
01.2019 - 01.2022
- Directed the enterprise security engineering organization supporting global network security platforms
- Established and led a high-performing network security engineering organization by defining clear standards, reference architectures, and reusable patterns, fostering strong collaboration across Network, Cloud, IAM, SOC, and application teams
- Directed engineering delivery for the enterprise network security portfolio, encompassing firewalls, IDS/IPS, secure web gateways, proxy, network access control (NAC), zero trust architectures, cloud security controls, and network threat detection solutions
- Directed cross-functional security programs across Cloud, Infrastructure, Identity, DevSecOps, and SOC teams
- Directed network security and cloud engineering governance by managing delivery and prioritization through Agile practices and Jira, including roadmaps, epics, stories, sprint planning, dependencies, and delivery metrics
- Directed disciplined change management for engineering releases by developing implementation plans, test evidence, rollback procedures, stakeholder communications, and post-implementation validation in collaboration with operations and risk
- Directed vendor strategy and managed technology lifecycle
- Developed and implemented custom threat intelligence feeds to enhance proactive detection capabilities across multiple security platforms
- Implemented continuous security monitoring frameworks by integrating SIEM and SOAR platforms, increasing threat detection coverage by 30%
- Integrated machine learning algorithms into threat detection systems, enhancing anomaly identification accuracy across enterprise networks
- Optimized NGFW threat policies (IPS, AMP, URL) to reduce false positives and enhance threat detection and response speed
- Managed enterprise Cisco Firepower NGFW platforms supporting global production environments
- Reduced technical debt by migrating legacy systems to Cisco FirePower Threat Defense (FTD) and Identity Services Engine (ISE)
- Directed the migration of endpoint security from legacy products to Cisco Umbrella (SIG) and AMP, centralizing cloud proxy management by consolidating platforms
- Led enterprise SASE modernization by implementing Cisco Umbrella Secure Internet Gateway
- Governed enterprise initiatives for Secure Web Gateway, Cloud Proxy, remote access security, and Zero Trust Network Access
- Directed the enterprise microsegmentation strategy leveraging VMware NSX Distributed Firewall to accelerate secure migration of on-premises workloads to VMware Cloud NSX
- Engineered advanced network segmentation strategies to isolate critical assets and reduce lateral movement risks within the enterprise infrastructure
- Implemented application-centric micro-segmentation policies in collaboration with application owners
- Implemented Cisco ISE Network Access Control policies to support Zero Trust initiatives
- Designed and implemented zero-trust network architectures with cross-functional teams to enhance internal access controls across multiple business units
- Collaborated with IAM teams to integrate device trust and identity controls into Zero Trust policies
- Integrated privacy-by-design principles into security engineering processes by collaborating with legal and compliance teams to ensure adherence to data protection regulations
- Integrated security controls into CI/CD pipelines with DevOps teams, accelerating secure software delivery and ensuring compliance
- Developed secure CI/CD integrations to support DevSecOps delivery models
- Automated firewall policy validation and operational reporting through Python scripting
- Developed custom security automation scripts that streamlined incident response workflows, reducing average resolution time by 20%
- Conducted comprehensive vulnerability assessments using advanced scanning tools to identify critical risks and enable prioritized remediation plans
- Evaluated emerging technologies and vendor capabilities via proof-of-concepts and lab testing, delivering recommendations that balanced risk reduction, user experience, operational overhead, and total cost of ownership
- Architected and deployed container security frameworks leveraging Kubernetes-native tools to secure microservices within cloud-native applications
- Conducted formal lab validations of network security technologies—including NGFW, SASE components, and micro-segmentation—encompassing design verification, performance testing, regression testing, and certification approval before production deployment
- Analyzed security incident trends to identify systemic vulnerabilities, driving targeted improvements in defensive architecture and policy enforcement
- Led incident simulation exercises with IT and business units to validate response plans and enhance organizational resilience
Senior Security Engineer III – Network Security Engineering
The Guardian Life Insurance Company of America
01.2018 - 01.2019
- Directed a critical Data Center relocation from Bethlehem to Dallas over a single weekend, achieving zero unplanned downtime and eliminating business interruption through meticulous architectural planning
- Led NetSec infrastructure build for a new Global Data Center in India, enabling 24/7 business operations and redundancy
- Engineered advanced network segmentation strategies to isolate sensitive data environments, reducing lateral threat propagation risk by 30%
- Architected and deployed zero-trust network frameworks across enterprise segments, enhancing access control and reducing unauthorized access incidents
- Implemented advanced encryption protocols for inter-data center communications to enhance data confidentiality and ensure regulatory compliance
- Led forensic analysis of network traffic during major security incidents to rapidly identify attack vectors and minimize breach impact
- Developed comprehensive incident response playbooks with cross-functional teams, reducing containment times during security events
- Conducted comprehensive vulnerability assessments across multi-cloud environments, prioritizing remediation to minimize exposure windows
- Developed and enforced network security policies aligned with regulatory frameworks to maintain continuous compliance across multi-regional operations
- Automated routine network device configuration audits with scripting tools, reducing manual errors and improving audit cycle efficiency by 25%
- Facilitated threat modeling workshops with application and infrastructure teams to proactively identify and mitigate potential attack vectors
- Created custom dashboards integrating multiple security tools to deliver unified visibility for network security operations teams
- Designed and implemented automated Python scripts for network traffic analysis to enhance anomaly detection efficiency across global sites
- Enhanced infrastructure security and network throughput by replacing end-of-life Cisco FWSM units with Check Point NGFW
- Integrated network security controls into CI/CD pipelines with cloud engineering teams to accelerate secure application deployment cycles
- Coordinated with third-party vendors to evaluate and integrate emerging network security technologies, enhancing threat detection capabilities
- Led quarterly security architecture reviews with infrastructure and application teams to ensure alignment with evolving compliance requirements
- Served as the primary escalation point for analytical tasks from junior staff, independently managing and resolving complex technical and process issues
- Directed integration of AI-driven threat detection tools into SIEM platforms to enhance real-time anomaly identification capabilities
- Mentored junior engineers in advanced firewall rule optimization techniques to enhance team capabilities in managing complex network policies
Senior Security Engineer II / I – Network Security Engineering
The Guardian Life Insurance Company of America
01.2011 - 01.2018
- Delivered security engineering support for Mergers and Acquisitions, successfully integrating subsidiaries including Fuji and DT into the enterprise core
- Engineered advanced threat detection mechanisms using machine learning models to improve incident response accuracy across enterprise networks
- Conducted comprehensive security architecture reviews for cloud migration projects, identifying and mitigating critical vulnerabilities before deployment
- Implemented innovative process improvements that saved global organizations thousands of man-hours
- Designed and implemented zero-trust architecture frameworks in collaboration with cross-functional teams, reducing unauthorized access risks by 30%
- Mentored junior engineers on secure coding practices and vulnerability assessment techniques, enhancing team proficiency and reducing remediation time by 20%
- Developed custom encryption protocols to safeguard sensitive customer data during transmission and storage, enhancing compliance with industry regulations
- Devised incident response playbooks tailored to emerging cyber threats, reducing average containment time by 25%
- Led security risk assessments for third-party vendors by establishing standardized evaluation criteria, enhancing the supply chain security posture
- Orchestrated large-scale penetration testing exercises simulating advanced persistent threats to uncover latent vulnerabilities and strengthen defense postures
- Implemented advanced log aggregation and correlation systems with SIEM tools to enhance real-time threat visibility across distributed environments
- Directed forensic investigations of security incidents, delivering actionable insights that informed policy updates and preventive measures
- Designed automated compliance auditing tools to streamline regulatory reporting processes across multiple business units
- Led cross-departmental workshops to enhance security awareness and cultivate a culture of proactive risk management among technical and non-technical staff
- Integrated security controls into CI/CD pipelines in collaboration with DevOps teams, accelerating secure software delivery and minimizing deployment risks
- Developed scalable identity and access management solutions to enhance enterprise-wide user provisioning and deprovisioning, improving operational efficiency
- Architected network segmentation strategies to minimize lateral movement opportunities, enhancing enterprise resilience against breaches
- Aligned security controls with evolving regulatory requirements by collaborating with legal and compliance teams, ensuring continuous audit readiness
- Led enterprise firewall migrations including Check Point NGFW and Cisco Firepower platforms.
- Implemented secure VPN connectivity supporting remote workforce and business continuity.
- Performed complex root cause analysis supporting enterprise network security incidents.
Lead Consultant – Network Security Strategy
United Technologies Corporation (UTC)
01.2010 - 01.2011
- Designed and implemented a comprehensive risk assessment framework that identified critical vulnerabilities across multiple network segments, reducing potential breach exposure by 25%
- Led integration of AI-driven anomaly detection tools, enhancing proactive threat identification and reducing false positive rates by 35%
- Directed evaluation and selection of next-generation network security technologies, achieving a 30% improvement in threat detection accuracy
- Engineered a multi-layered network segmentation strategy that minimized attack surface exposure and enhanced containment of potential intrusions across over 150 critical systems
- Formulated comprehensive data loss prevention policies tailored to diverse operational units, reducing sensitive information exposure risks by 18%
- Standardized the North American dealer network’s security infrastructure by migrating 33 firewalls to a unified platform, enhancing oversight
- Facilitated cross-functional workshops to identify and remediate latent network segmentation gaps, enhancing resistance to lateral movement within critical infrastructure
- Spearheaded vendor negotiations and contract management to optimize cybersecurity tool investments, achieving 20% cost savings
- Developed a scalable incident response plan with cross-departmental teams, enhancing enterprise-wide threat detection and mitigation capabilities
- Led executive workshops to align cybersecurity strategy with business objectives, enhancing stakeholder engagement and optimizing resource allocation
- Coordinated multi-regional cybersecurity awareness campaigns, increasing employee adherence to security protocols and reducing phishing incident rates by 22%
- Developed strategic frameworks integrating emerging IoT security standards into existing network architectures, enhancing device compliance across over 200 endpoints
- Devised a vendor risk management program incorporating continuous compliance assessments to mitigate third-party vulnerabilities across global supply chains
- Mentored junior consultants on advanced network defense methodologies, accelerating team proficiency and reducing incident response times by [25%]
- Resolved critical integration challenges following the acquisition of 138 GE sites by mapping legacy business processes to a unified security platform
- Implemented continuous security monitoring dashboards by integrating SIEM and threat intelligence feeds to enhance real-time visibility across global networks
- Developed a cloud security governance model aligned with regulatory requirements, enabling secure migration of over 500 applications to hybrid environments
Automation Project Team Lead / Section Head – ITD/DCS
Saudi Cement Company
01.1996 - 01.2009
- Directed cross-departmental collaboration to integrate ITD/DCS solutions, enhancing operational efficiency across multiple production sites
- Led automation efforts by maintaining, enhancing, and developing modernized technologies to support critical business processes
- Led the adoption of predictive maintenance tools utilizing data analytics to proactively prevent equipment failures and extend asset lifecycle
- Implemented risk management protocols for automation projects, reducing system downtime by identifying and mitigating potential failures
- Spearheaded vendor evaluation and selection processes to adopt cutting-edge technologies aligned with strategic business objectives
- Implemented agile project management methodologies to accelerate delivery timelines and enhance adaptability to changing technical specifications
- Established standardized project documentation and reporting frameworks to enhance transparency and stakeholder communication across multiple ITD/DCS initiatives
- Led strategic workshops with senior management to align automation roadmaps with evolving business goals and regulatory requirements
- Embedded robust security measures within DCS architectures by collaborating with cybersecurity teams, safeguarding critical infrastructure against emerging threats
- Orchestrated scalable IT infrastructure upgrades to support expanding automation demands across four production units
- Directed resource allocation and capacity planning for multiple concurrent automation projects, optimizing team productivity and meeting all key milestones on schedule
- Led root cause analysis initiatives for recurring control system faults, enabling targeted corrective actions that reduced incident frequency by [25%]
- Modernized the cement dispatching system across the existing plant, head office in Dammam, and terminal at Dammam seaport using the VAS System
- Facilitated cross-functional risk assessments by integrating cybersecurity and operational technology teams to enhance system resilience
- Designed and executed system integration strategies unifying legacy and new automation platforms, enhancing data consistency across three production facilities
- Developed key performance indicators (KPIs) for automation projects to enable data-driven decision-making and continuous improvement
- Implemented comprehensive change management strategies to minimize operational disruptions during system upgrades and transitions
- Coordinated training programs for technical staff on new control systems, enhancing team proficiency and reducing support requests by [20%]
Education
Bachelor of Engineering - Electronics & Communication
OU
Hyderabad, IndiaInternational Diploma - Computer Programming and Applications
NCC APEX Board
UKSkills
- Enterprise Network Security Architecture
- Zero Trust Architecture
- SASE / SSE / SD-WAN
- Cloud Security (AWS)
- Network Modernization
- Secure Connectivity Architecture
- Infrastructure as Code (Terraform)
- Security Governance & Standards
- Executive Stakeholder Management
- Vendor Strategy & Management
- Cyber Risk Reduction
- Enterprise Architecture
- Cloud Migration Security
- Network Observability & Telemetry
- Budget Planning & Cost Optimization
- Network security
- Cloud security
- Data protection
- Endpoint protection
- PQC readiness
- Security infrastructure architecture
- Firewall management
SELECTED ENTERPRISE ACHIEVEMENTS
Below are my major achievements during my Tenure at Guardian:
Enterprise Network & Security Transformation Leadership
* Led enterprise-wide Network Security Transformation Program aligned with long-term digital modernization strategy and Zero Trust adoption.
* Defined future-state SASE architecture (SD-WAN, SSE, Zero Trust) replacing legacy VPN-centric connectivity models.
* Developed executive business cases, TCO models, ROI analyses, and technology roadmaps supporting strategic security investments.
* Acted as principal architect bridging engineering teams, enterprise architects, cloud organizations, security leadership, and executive stakeholders.
AWS Cloud Security & Connectivity Modernization
* Architected enterprise secure connectivity framework leveraging AWS Network Firewall, Transit Gateway, PrivateLink, VPN, and cloud-native security controls.
* Eliminated legacy routing dependencies and improved application performance through cloud-native network architectures.
* Established inspection-first security architecture delivering centralized traffic visibility, policy enforcement, and governance.
* Implemented Infrastructure-as-Code automation using Terraform, improving deployment consistency and scalability.
* Defined reusable enterprise standards and architecture patterns for third-party connectivity integrations.
SASE, SSE & Zero Trust Architecture
* Led evaluation, strategy, and architecture development for enterprise SASE initiatives involving Cisco, Palo Alto, Zscaler, and Netskope platforms.
* Standardized Zero Trust security principles across enterprise connectivity and cloud environments.
* Directed Secure Service Edge (SSE) transformation from legacy proxy infrastructure to modern cloud-delivered security services.
* Integrated identity-driven security controls using Entra ID to strengthen authentication and access governance.
Enterprise Architecture & Governance
* Authored enterprise reference architectures, HLD/LLD designs, security standards, and governance frameworks.
* Established architecture review processes and reusable security blueprints supporting cloud adoption initiatives.
* Led knowledge transfer and architecture alignment efforts across Enterprise Architecture, Security Engineering, and Cloud organizations.
Strategic Planning & Roadmap Development
* Partnered with Cisco and industry vendors to develop future-state network architecture aligned with organizational objectives through 2030.
* Defined enterprise SASE requirements, capability mapping, technology evaluation criteria, and integration strategies.
* Influenced technology investment decisions through executive presentations and strategic recommendations.
Security Operations & Observability Modernization
* Defined enterprise observability strategy incorporating telemetry, monitoring, event correlation, and operational visibility capabilities.
* Introduced concepts supporting automated incident response and enhanced troubleshooting efficiency.
* Improved operational resilience through modernization of monitoring and network performance visibility platforms.
Executive Engagement & Financial Leadership
* Led multimillion-dollar cost optimization and technology investment initiatives across networking and security portfolios.
* Validated licensing models, vendor proposals, and strategic investment plans.
* Presented executive-level recommendations translating technical risks and opportunities into measurable business outcomes.
Affiliations
- CISA - The Cybersecurity and Infrastructure Security Agency
- ISC2 - The World’s Leading Cybersecurity Professional Organization
- CSA - Cloud Security Alliance
- ISSA - The Information Systems Security Association
- SANS Institute
- CTA - Cyber Threat Alliance
Certification
- Cisco Certified Internetwork Expert (CCIE) - Security
- Cisco Certified Security Specialist (ASA, IPS, Firewall, VPN, IOS)
- AWS Certified Security – Specialty and Security Architecting on AWS
- Check Point Certified Security Master (CCSM)
- SANS SEC440: Critical Security Controls: Planning, Implementing, and Auditing, SANS Institute
- Palo Alto PCNSE (In Progress)
- Illumio Core Associate (Planned)
Timeline
Senior Network Security Architect – Strategy, Analysis & Innovation
The Guardian Life Insurance Company of America
01.2022 - 01.2026
Information Security Senior Engineer – Security Services Engineering
The Guardian Life Insurance Company of America
01.2019 - 01.2022
Senior Security Engineer III – Network Security Engineering
The Guardian Life Insurance Company of America
01.2018 - 01.2019
Senior Security Engineer II / I – Network Security Engineering
The Guardian Life Insurance Company of America
01.2011 - 01.2018
Lead Consultant – Network Security Strategy
United Technologies Corporation (UTC)
01.2010 - 01.2011
Automation Project Team Lead / Section Head – ITD/DCS
Saudi Cement Company
01.1996 - 01.2009
International Diploma - Computer Programming and Applications
NCC APEX Board
Bachelor of Engineering - Electronics & Communication
OU