Kaimryn Sisco
Enid,OK
Summary
Proven expertise in vulnerability management, demonstrated at RTX- Intelligence and Space, where I succeeded in orchestrating major security enhancements across 19 state agencies, achieving a 95% scanning success rate using Tenable and CrowdStrike tools. Skilled in Nessus Scanners and adept at fostering team collaboration, I excel in translating complex data into actionable insights, significantly improving network security.
Overview
7
7
years of professional experience
1
1
Certification
Work History
Vulnerability Assessor
RTX- Intelligence and Space
12.2022 - Current
- Orchestrated comprehensive vulnerability management across 19 state agencies in Georgia, leveraging Tenable Vulnerability Management and CrowdStrike Falcon+ to execute robust scanning, analysis, and remediation strategies, significantly bolstering the overall security posture.
- Utilized advanced vulnerability scoring systems (CVSS) to prioritize high-risk vulnerabilities, collaborating with cross-functional teams and agency stakeholders to implement targeted remediation plans, reducing the attack surface.
- Spearheaded the migration of over 30,000 hosts into dedicated Tenable containers for individual agencies, optimizing the organization’s vulnerability management structure and improving operational efficiency.
- Resolved critical issues with 10,000 inactive Tenable agents, troubleshooting and optimizing workflows to achieve a 95% scanning success rate, ensuring comprehensive asset visibility and security coverage.
- Managed and maintained secure Tenable and CrowdStrike containers for each agency, continuously monitoring performance, enforcing security compliance, and ensuring operational continuity across diverse environments.
- Developed and implemented tailored dashboards and automated reporting workflows, streamlining data delivery with customized email notifications and report repositories, enhancing visibility for customers, leadership, and executive teams.
- Produced detailed weekly reports, translating complex vulnerability data into actionable insights for agencies, supporting improved network security and strategic decision-making.
- Led regular customer engagement sessions, including weekly calls to review vulnerability management progress and provide expert guidance on report interpretation, fostering seamless coordination and proactive risk mitigation.
- Performed in-depth asset scanning for IRS audits, delivering thorough and compliant reports that ensured agencies met critical regulatory requirements and maintained audit readiness.
- Presented monthly executive updates, driving high-level discussions on security improvements, agency-specific initiatives, and overall progress, ensuring alignment with organizational cybersecurity goals.
Vulnerability Management/ACAS Engineer
SMS Data Products
09.2021 - 10.2022
- Expert-level proficiency in Nessus scanner and Tenable.sc, driving advanced vulnerability assessments and security audits to ensure comprehensive coverage across diverse environments.
- Led major version upgrades of Assured Compliance Assessment Solution (ACAS) on both server and client systems, ensuring seamless transitions, minimal downtime, and enhanced security capabilities.
- Documented and enforced Department of Defense (DoD) DISA Security Technical Implementation Guides (STIGs) for NIPRnet and SIPRnet enclaves, ensuring strict compliance with security mandates and mitigating risks across classified and unclassified networks.
- Optimized network security by mapping scan zones, scanners, and subnets, integrating tools like Forescout, McAfee Endpoint Security, and Microsoft Endpoint Configuration Manager to ensure robust vulnerability detection across enterprise networks.
- Conducted in-depth research and analysis of vulnerabilities identified through automated scans and manual audits on Unix, VMware, Windows, and network devices, prioritizing critical threats for immediate remediation.
- Supported the validation and sustainment of essential cybersecurity documentation, including Security Plans, Network Address Declarations (NAD), and access control policies, ensuring that roles, security groups, and permissions aligned with organizational security requirements.
- Managed the timely deployment of software patches, updates, and upgrades, maintaining network resilience and compliance with evolving security protocols.
- Actively engaged in all phases of the Vulnerability Management lifecycle, with a strong focus on assessment, reassessment, and continuous improvement, enhancing overall network defense strategies and security posture.
IT Technical Support Specialist
United States Air Force
01.2018 - 10.2021
- Proactively monitored and maintained Active Directory (AD) environments, ensuring peak system performance, high availability, and seamless integration of security policies across the domain.
- Executed advanced installation, configuration, and troubleshooting of devices, system components, and network infrastructures, optimizing operational efficiency and minimizing downtime across critical systems.
- Strategically planned and implemented system upgrades, performing detailed assessments and deploying updated software and hardware components to improve performance, security, and stability.
- Engineered detailed system documentation for domain technologies, outlining installation procedures, precise configurations, and step-by-step troubleshooting protocols to ensure accurate replication and issue resolution.
- Developed robust configurations for firewalls, switches, servers, and desktops, tailoring security settings and access controls to the specific needs of each client, ensuring future-proof infrastructure for secure operations.
- Diagnosed and resolved complex technical issues, responding to open tickets with targeted solutions while clearly communicating resolutions to clients, ensuring high levels of satisfaction and adherence to SLAs.
Vulnerability Management
United States Air Force
01.2018 - 10.2021
- Led the seamless migration of 2,000 systems to a secure private network at Maxwell AFB medical facility, ensuring uninterrupted operations and enhanced data protection for mission-critical healthcare environments.
- Deployed, configured, and maintained the full Assured Compliance Assessment Solution (ACAS) suite, ensuring optimal functionality and alignment with DoD compliance standards to secure complex network infrastructures.
- Orchestrated comprehensive system activities, including deployment, configuration, monitoring, and troubleshooting of Tenable components across local, remote, and highly intricate environments, ensuring full operational efficiency and security coverage.
- Expertly configured and executed advanced Tenable Nessus scans, analyzing scan results to identify vulnerabilities, assess risk trends, and generate actionable insights through the Security Center (SC) interface.
- Proficient in the implementation and management of System Center Configuration Manager (SCCM), ensuring effective software deployment, patch management, and compliance monitoring across large-scale IT environments.
- Provided strategic cybersecurity guidance, communicating best practices and practical solutions to cross-functional teams, both internally and externally, to significantly enhance the security maturity of organizations.
- Collaborated with Tenable operators and Information Assurance (IA) personnel to oversee the ongoing operation and maintenance of the ACAS program across multiple network enclaves, ensuring compliance and minimizing risk exposure.
Education
High School Diploma -
Thunderbird High School
Phoenix, AZ05.2014
Skills
Tenablesc
Tenableio
CrowdStrike
Nessus Scanners
Vulnerability Analysis
Reporting and documentation
Adept at learning new systems and processes quickly
Highly motivated
Great interpersonal skills
Certification
CompTIA Security+
DISA ACAS
Timeline
Vulnerability Assessor
RTX- Intelligence and Space
12.2022 - Current
Vulnerability Management/ACAS Engineer
SMS Data Products
09.2021 - 10.2022
IT Technical Support Specialist
United States Air Force
01.2018 - 10.2021
Vulnerability Management
United States Air Force
01.2018 - 10.2021
High School Diploma -
Thunderbird High School
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