Cyber Security Engineer-Technical Lead

Job Summary

Leidos is hiring a Cyber Security Engineer-Technical Lead in the Intel Security Sector's Analysis Solutions Business Area. This role protects the customer’s information systems and networks from potential cyber‑attacks. The Engineer-Technical Lead will serve in a hands‑on “player‑coach” capacity, dedicating approximately 75% of time to direct technical engineering, troubleshooting, and implementation work while providing technical leadership and coordination across the security team.

The candidate must understand and utilize firewalls, VPNs, data loss prevention, IDS/IPS, web proxy, security tools, and security audits, working closely with team leads, developers, operations personnel, and other Technical Leads throughout the Dev Sec Ops  lifecycle.

• Plan, implement, manage, monitor, and upgrade security controls and tools used to protect enterprise systems and networks, while identifying opportunities to automate repeatable operations tasks.
• Design, configure, implement, troubleshoot, and maintain security technologies such as firewalls (security groups), endpoint protection tools (HBSS/Trellix), and SIEM platforms (Splunk).
• Formulate systems and methodologies, respond to security-related events, and assist in remediation efforts of cyber security incidents (system and/or network breaches, malware attacks).
• Participate in change management processes to ensure system changes maintain security compliance and do not introduce new vulnerabilities.
• Conduct routine vulnerability scanning and assessment activities, provide formal and informal reports to technical teams, and track remediation efforts to closure.
• Provide technical leadership and subject‑matter expertise to the security engineering team while coordinating with peer Technical Leads across infrastructure and application domains to ensure alignment of architecture and security controls.
• Serve as the primary technical escalation point for complex or cross‑domain security issues while mentoring junior engineers through collaborative troubleshooting and hands‑on technical guidance.

• Experience implementing and managing Security Information and Event Management (SIEM) tools such as Splunk or similar platforms.
• Experience working with endpoint and network security technologies, including IDS/IPS, HBSS/Trellix, and related defensive security tools.
• Expertise with automation (e.g., Ansible, Cloud Formation).
• Demonstrated history of personally implementing, troubleshooting, and maintaining security technologies in production environments.
• Proven ability to balance technical leadership responsibilities with significant hands‑on engineering work; strong attention to detail, analytical mind, and outstanding problem‑solving skills.
• Monitor security advisories, bulletins, and industry threat intelligence to stay informed of current vulnerabilities, threats, and trends.
• Requires Master’s degree and 15 or more years of prior relevant experience. Additional years of experience may be substituted in lieu of a degree.
• To be considered, you must have an active TS/SCI with polygraph security clearance.

• Experience with additional security tools and processes such as IDS/IPS, VPN, Git Hub, Git Lab, Sonar Qube.
• Experience implementing and managing network and application firewalls, virtual private networks, web protocols, incident detection, incident response, and forensics activities.
• Experience with Agile software development processes/environments, scripting/programming languages such as Python or Power Shell, and Dev Ops Sec  pipelines and tools.
• Familiarity with Cloud Computing Technologies and Services (AWS, Oracle, Google).
• Knowledge of potential attack vectors such as XSS, injection, hijacking, and social engineering.
• Experience with health monitoring tools (Solar Winds) and using STIG viewers/tools to assess compliance with standards.
• Experience with database systems, search engines, web applications, Linux Red Hat environments, and Windows environment.

Competitive benefits including paid time off, 11 paid holidays, a 401K with 6% company match, and flexible schedules.

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.