Cyber Security Engineer—Technical Lead
AI summary of the role
This is a hands-on technical lead role in Leidos' Intel Security Sector, focused on protecting customer information systems and networks.
No longer in the current catalog. Last included 2026-09-09. Check the employer’s posting for availability.
What you’ll do
- Plan, implement, manage, monitor, and upgrade security controls and tools to protect enterprise systems and networks, automating repeatable operations tasks.
- Design, configure, implement, troubleshoot, and maintain security technologies including firewalls, endpoint protection (HBSS/Trellix), and SIEM platforms (Splunk).
- Respond to security events and assist in remediation of cyber incidents such as system/network breaches and malware attacks.
- Conduct routine vulnerability scanning and assessment, providing reports and tracking remediation efforts.
What you’ll bring
- Experience implementing and managing SIEM tools such as Splunk or similar platforms.
- Experience with endpoint and network security technologies including IDS/IPS, HBSS/Trellix.
- Expert with automation tools (e.g., Ansible, CloudFormation).
- Master's degree and 15+ years of prior relevant experience (additional experience may substitute for degree).
Technologies
Splunk · HBSS · Trellix · IDS/IPS · Ansible · CloudFormation · VPN · SIEM · DevSecOps · STIG
About Leidos
Builds mission-critical technology, engineering, cyber, defense, health, and infrastructure systems for U.S. government, allied, and commercial customers.
Public · 5000+ people
Source and classification
Internal deployment & tooling · Evidence for this classification:
Leidos has an exciting opportunity for Cyber Security Engineer—Technical Lead in our Intel Security Sector's Analysis Solutions Business Area. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security! Job Summary This role is responsible for protecting the customer’s information systems and networks from potential cyber-attacks. The Cyber Security Engineer– Technical Lead will serve in a hands-on
More from the job description
Leidos has an exciting opportunity for Cyber Security Engineer—Technical Lead in our Intel Security Sector's Analysis Solutions Business Area. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security! Job Summary This role is responsible for protecting the customer’s information systems and networks from potential cyber-attacks. The Cyber Security 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 display an excellent understanding of technology and utilization of Firewalls (Security Groups), VPNs, Data Loss Prevention (DPS), IDS/IPS, Web-Proxy, Security tools, and Security Audits. Candidate will work directly with Team leads, developers, operations personnel, and ot [... source excerpt omitted ...] ent role. Success in this position is measured by individual technical contribution and resolution of complex security issues, in addition to technical leadership impact. Primary Responsibilities: 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), SIEM platforms (Splunk), Formulate systems and methodologies as well as respond to security related events and assist in remediation effor [... source excerpt omitted ...] chnical escalation point for complex or cross-domain security issues while mentoring junior engineers through collaborative troubleshooting and hands-on technical guidance. Basic Qualifications: 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. Expert with automation (e.g., Ansible, CloudFormation) Demonstrated history of personally implementing, troubleshooting, and maintaining security technologies in production environments. Proven ability to balance technical le
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