Hiring: Cyber Systems Security Engineering Sr Company: Lockheed Martin Location: Liverpool, OH Job Posted Time: 2026-09-15 13:28:23 Employment Type: Full-time Target Skills & Keywords : C, Linux, Red Hat, Security Clearance, Splunk, Systems Integration About the job Experience: •Operational familiarity with DISA Security Technical Implementation Guides (STIG) •Troubleshooting as a systems administrator •Good organizational and coordination skills •Strong communication skills and ability to support and collaborate with a team Required Skills: •At Lockheed Martin's Rotary and Mission System's Cyber Resiliency organization, we are dedicated to engineering and deploying cutting-edge cyber defense solutions across our corporation. Our focus on cybersecurity is paramount to ensuring mission success for our customers, even in the face of evolving cyber threats. •As a Member Of Our Team, You Will Be Involved In a Variety Of Activities Aimed At Enhancing The Cyber Resiliency Of The AFSOC ACS Program. This Includes Tasks Such As Hardening operating systems, applications, and network devices •Continuous monitoring of the security posture of the system •Assisting with Government Certification Test and Evaluation (CT&E) and Vulnerability Testing •Implementing security updates and patches •Applying configuration changes to ESS and ACAS security tools •Providing support to maintain the Certification and Accreditation (C&A) of the system to include support of the RMF package •Collaboration with system stakeholders to ensure the cybersecurity posture of the system is maintained Qualifications: •Related Bachelor’s Degree with 5+ years of experience, or Master's Degree with 3+ year or equivalent professional experience. •Demonstrable and relevant cybersecurity engineering or systems administration experience. •Good working knowledge of Linux or Windows based systems. •Information Assurance Technician (IAT) Level II Certification or higher (e.g. CompTIA Security+ or CISSP) •Demonstrated capacity to obtain an Secret DoD Secret security clearance prior to starting this position. Obtaining a Security Clearance requires US citizenship. •Demonstrated capacity to travel up to 10% travel to our customer sites throughout the U.S. •Linux/Red Hat or Windows OS certifications Compensation: •Competitive benefits and rewards package Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!