Francis Osaji
Software Development
Indianapolis,IN
Summary
Cybersecurity Engineer & Web Developer with over 10 years of experience delivering secure systems, incident response, and full-stack development across startups and enterprise environments. Expert in vulnerability assessments, penetration testing, and infrastructure hardening using tools like Metasploit, Nmap, and Snort. Strong command of cloud security (AWS), web application architecture (React, Node.js, PHP), and incident response in regulated environments (HIPAA, NIST, PCI-DSS). Proven ability to coordinate investigations, reduce threat exposure, and lead technical solutions from concept to deployment.
Professional IT Support Engineer with robust background in providing technical assistance and resolving hardware and software issues. Skilled in network troubleshooting, system maintenance, and customer service, ensuring seamless IT operations. Strong focus on teamwork and adaptability, consistently meeting and exceeding performance targets. Reliable and flexible, aligning with evolving organizational needs and priorities. IT professional with strong background in providing comprehensive technical support and innovative solutions. Known for effective collaboration and achieving desired results in dynamic environments. Reliable team player skilled in problem-solving and adapting to evolving technology needs.
Overview
16
16
years of professional experience
1
1
Certification
Work History
Cybersecurity Incident Responder / IT Support Engineer
Systemdigits LLC
06.2017 - Current
- Led investigation and response for high-impact security incidents, performing root cause analysis and reporting findings to stakeholders, improving mean time to resolution (MTTR) by 40%.
- Conducted vulnerability scans using Nmap and OpenVAS, identifying and remediating critical flaws in internal systems and Linux servers, reducing attack surface exposure.
- Developed and documented playbooks for incident triage, escalation, and containment aligned with NIST CSF and HIPAA security protocols.
- Installed and configured firewalls, routers, and switches; ensured network segmentation and patch management across data centers and remote sites.
- Implemented and maintained intrusion detection systems (Snort) and monitored SIEM alerts for early threat detection.
- Assisted with audits by compiling security logs and compliance evidence for HIPAA, PCI-DSS, and internal risk assessments.
- Provided hands-on support for server upgrades, Linux kernel patching, hardware replacement, and VM provisioning.
- Collaborated with cross-functional teams during incident investigations to isolate compromised assets and recommend mitigations.
- Managed inventory of computer equipment, standardizing hardware configurations for ease of maintenance and scalability.
- Installed, configured, tested and maintained operating systems, application software, and system management tools.
- Optimized system performance, conducting routine checks and addressing potential issues before escalation.
- Maintained detailed documentation of technical issues, resolutions, and knowledge base articles for future reference.
- Improved IT system performance by implementing proactive maintenance processes and timely upgrades.
- Increased user satisfaction through effective communication and timely resolution of support tickets.
- Provided remote support to offsite users, ensuring minimal disruption during business travel or remote work scenarios.
- Reduced downtime by quickly diagnosing and resolving hardware, software, and network issues.
- Delivered end-user training on new technologies, increasing adoption rates among employees.
- Assisted in the development of IT policies, procedures, and best practices to maintain a secure computing environment.
- Enhanced network security with regular vulnerability assessments and prompt patch installations.
- Collaborated with cross-functional teams to ensure seamless integration of new systems and technologies.
- Developed customized scripts to automate repetitive tasks resulting in increased efficiency within the IT department.
- Used ticketing systems to manage and process support actions and requests.
- Managed high levels of call flow and responded to technical support needs.
- Installed, configured and maintained computer systems and network connections.
- Configured hardware, devices, and software to set up work stations for employees.
- Installed and configured operating systems and applications.
- Monitored system performance to identify potential issues.
- Created user accounts and assigned permissions.
- Diagnosed and troubleshot hardware, software and network issues.
- Configured and tested new software and hardware.
- Patched software and installed new versions to eliminate security problems and protect data.
- Responded to customer inquiries and provided technical assistance over phone and in person.
- Maintained servers and systems to keep networks fully operational during peak periods.
- Researched and identified solutions to technical problems.
- Removed malware, ransomware, and other threats from laptops and desktop systems.
- Offered assistance in implementing and developing training programs.
- Developed and implemented preventive maintenance procedures.
- Helped streamline repair processes and update procedures for support action consistency.
- Generated reports to track performance and analyze trends.
- Tested new software and hardware prior to deployment.
- Assisted in development of system security protocols.
Web Developer / Chief Technology Officer
PageOmni Technology LLC
12.2014 - 05.2017
- Architected and delivered full-stack web solutions using PHP, JavaScript, and Ajax, including a large-scale social networking platform with user messaging, profiles, and real-time notifications.
- Built RESTful APIs to support mobile and web client integrations and facilitated cross-device interoperability.
- Managed hosting infrastructure on Linux-based servers, handling domain setups, DNS records, and web security configurations.
- Conducted code reviews, enforced secure coding practices, and ran OWASP Top 10 vulnerability checks prior to deployment.
- Oversaw project lifecycle from planning through testing and release, delivering 10+ web applications on time and within budget.
- Deployed firewalls and SSL configurations, routinely scanning systems for vulnerabilities and patching CVEs.
- Wrote documentation for development guidelines, system architecture, and user training materials.
- Mentored junior developers and defined technology strategy for internal tools and customer-facing platforms.
- Coded websites using HTML, CSS, JavaScript, and jQuery languages.
- Enhanced user experience by implementing responsive web design and optimizing website performance.
- Planned website development, converting mockups into usable web presence with HTML, JavaScript, AJAX, and JSON coding.
- Oversaw back-end development using PHP to maintain website integrity.
- Provided front-end website development using WordPress, Hubspot, and other editing software.
- Engaged with users to gather feedback and make informed decisions on UI/UX improvements.
- Enhanced site visibility and user engagement by optimizing web content for SEO.
- Conceived and built optimized landing pages in HTML and CSS for integration and cross-browser compatibility.
- Collaborated with in-house web designers to create sleek and innovative UI design.
- Crafted SEO strategy and intuitive interface for site to achieve prominent rankings across top browser platforms.
- Optimized IT infrastructure by streamlining processes and implementing cutting-edge technologies.
- Aligned IT strategy with organizational goals, fostering collaboration between technical and non-technical stakeholders.
Web Developer / Server Administrator
Hostnet Systems LLC
01.2010 - 12.2014
- Designed and developed responsive web interfaces for enterprise clients using HTML, CSS, and JavaScript frameworks.
- Configured and maintained Linux servers (LAMP stack), handled user permissions, cron jobs, backups, and application deployments.
- Led troubleshooting for cross-browser and device compatibility issues, improving customer satisfaction scores by 30%.
- Developed a sales management system for small businesses, automating reporting and inventory workflows.
- Backed up and restored production environments, reducing downtime during upgrades or outages.
- Conducted server hardening and applied regular security patches to maintain compliance with internal policies.
- Set up staging environments for QA testing and introduced Git-based workflows for version control.
- Regularly participated in tech workshops to stay updated on new development frameworks and security practices.
- Developed custom web applications, resulting in tailored solutions for client needs.
- Migrated websites to new platform to minimize downtime and maintain seamless user experiences.
- Resolved technical issues promptly, ensuring minimal disruption to website performance and user satisfaction.
- Discussed site and app requirements with clients to produce actionable development plans.
- Provided front-end development support, creating visually appealing designs that aligned with brand standards.
- Increased website traffic through search engine optimization strategies and targeted content creation.
- Collaborated with cross-functional teams to deliver high-quality web products on time and within budget.
- Reduced load times and improved site speed by optimizing images, scripts, and other assets.
- Enhanced user experience by implementing responsive design principles across all web applications.
- Integrated third-party APIs to extend application functionalities, offering users more comprehensive experience.
Education
Ph.D. - Information Systems Security
04.2025
- Honoree of Roll
- Dean's List Summer 2024
- 4.9GPA
Master of Science - Cybersecurity
04.2021
Diploma - Software Development
10.2019
Bachelor of Science - Microbiology
07.2008
Skills
- Cybersecurity: Threat Detection, Security Operations, Malware Analysis, Penetration Testing, SIEM Monitoring, Intrusion Detection (IDS/IPS), Digital Forensics
- Governance & Compliance: NIST CSF, HIPAA, PCI-DSS, ITIL, SOC 2, Risk Assessment, Policy Writing, Security Awareness Training
- Cloud & Infrastructure: AWS (EC2, S3, Lambda, RDS, Cloud Formation, VPC, IAM, Route53), Linux Server Admin, DNS, Load Balancing, Shell Scripting, Bastion Hosts
- Security Tools: Kali Linux, Metasploit, OpenVAS, Nmap, Snort, Wireshark, PFSense, Fail2Ban, ClamAV, Netcat, OSSEC, tcpdump, Firejail, Logwatch
- Web & App Development: Reactjs, Nodejs, PHP, HTML5, CSS3, JavaScript, jQuery, Ajax, Bootstrap, REST APIs, MVC Architecture, WordPress, MySQL
- Scripting & Automation: Bash, PowerShell, Cron Jobs, Python (Security Scripting), Git, GitHub, Jenkins, Webhooks
- Monitoring & Management: AWS CloudWatch, ELK Stack, Nagios, Zabbix, UFW, Fail2Ban, Jira, Confluence, Postman, Visual Studio Code
- Soft Skills: Incident Leadership, Cross-Functional Collaboration, Analytical Thinking, Technical Mentorship, Communication with Technical Stakeholders
- Remote desktop support
- Network troubleshooting
- Help desk support
- IT asset management
- Software installation
- IT documentation
- Data backup and recovery
- Application support
- VPN configuration
- Wireless networking
- Email administration
- Network security
- Hardware diagnostics
- System administration
- Server management
- Service level agreements
- Virtualization technologies
- Incident management
- IT compliance
- Information security
- Configuration management
- Disaster recovery planning
- Desktop deployment
- VoIP systems
- Patch management
- Network architecture
- Storage area networks
- Mobile device management
- Web server management
- Firewall management
- Scripting languages
- ITIL framework
- Windows server
- Operating systems
- Active directory
- Linux administration
- Desktop support
- Network configuration
- Customer service
- Technical issues analysis
- Issue troubleshooting
- Account management
- Remote support
- User support
- Windows 10
- Technical support
- Technical troubleshooting
- Application installations
- Network diagnostics
- Ticket management
- Hardware upgrades
- Ticket support system management
- TCP/IP
- Mac systems
- Service support
- Software diagnosis
- Security protocols
- LAN/WAN
- Data recovery
- Business development
- Microsoft outlook
- Customer service expert
- Information protection
- Call center operations
- Access issue resolution
- Complaint resolution
- Appointment scheduling
- Systems analysis
- Staff education and training
- User credential management
- Customer success management
- Product troubleshooting
- Microsoft office specialist (MOS) expert
- Technical documents comprehension
- Support scenario generation
- Account updating
- Java full stack
- Verbal and written communication
- Product knowledge
- Data entry
- Analytical thinking
- Hardware troubleshooting
- Product training
- System diagnostics
- Issue escalation
- Needs assessment
- Windows xp/vista
- Script adherence
- Hardware and peripherals
Certification
- AWS Cloud Practitioner (Training Completed: EC2, S3, VPC, RDS, Lambda, CloudFormation)
- Fortinet NSE 1 & NSE 2 Network Security Associate
- HIPAA Privacy & Security for Business Associates
- ITIL Foundation – Cybrary, 2017
- Computer and Hacking Forensics – Cybrary, 2018
- CCNA Security: Cisco Routers – LearnSmart, 2016
- Project Management – Trainman LLC, 2012
Languages
English
Native or Bilingual
egbo
Native or Bilingual
Nigerian Egbo
Native or Bilingual
Work Type
Full TimeWork Location
RemoteHybridOn-SiteTimeline
Cybersecurity Incident Responder / IT Support Engineer - Systemdigits LLC
06.2017 - Current
Web Developer / Chief Technology Officer - PageOmni Technology LLC
12.2014 - 05.2017
Web Developer / Server Administrator - Hostnet Systems LLC
01.2010 - 12.2014
Grand Canyon University - Master of Science, Cybersecurity
Southern Institute (Powered by Woz-U) - Diploma, Software Development
University of The Cumberlands - Ph.D., Information Systems Security
Federal University of Technology - Bachelor of Science, Microbiology
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