Systems Engineer with Security Clearance

In this fast paced, innovation driven environment, the incumbent will

• Design, implement, and secure next generation IT infrastructure solutions.
• Standardize and streamline processes across classified environments.
• Collaborate with cross functional teams to accelerate product development for U.S. Department of War missions.
• Ensure compliance with all relevant security policies and industry best practices.
• The role is critical to enabling Lockheed Martin to deliver higher quality, mission critical solutions more rapidly.

Responsibilities

• Perform routine updates, major upgrades, patching, and vulnerability scanning
• Maintain asset inventory and ensure hardware/software lifecycle compliance
• Enforce DoD policies, including STIG and RMF requirements
• Implement security hardening, remediate findings, and conduct technical security implementations
• Provide timely resolution of infrastructure issues (hardware, software, networking)
• Update Service Central tickets, JIRA issues, and Confluence pages with accurate status, work performed details, and any changes to scope, priority, or assignment; attach relevant artifacts and ensure traceability to requirements or incidents.
• Coordinate with stakeholders (customers, engineers, and support leads) to verify resolution, close tickets or issues promptly, and communicate any follow up actions or documentation updates across all three platforms.
• Design and implement innovative technical solutions to complex problems
• Support classified customer demonstration environments and lab testbeds, ensuring readiness and performance for stakeholder reviews
• Document system configurations, procedures, and lessons learned
• Mentor junior staff and contribute to knowledge base growth
• Participate in a 24 × 7 on call rotation; work off shift hours and weekends as needed
• Work onsite full time with occasional travel to other facilities or customer sites

Basic Qualifications

• Active Top Secret Clearance with the ability to to obtain and maintain a CI Polygraph.
• Demonstrated experience with configuring and maintaining Microsoft Windows & Linux Client/Server operating systems.
• Experience with Active Directory administration and Group Policy Object configuration.
• IAT Level II (8570 compliant) certification (Security+ or equivalent certification)
• Proven classified infrastructure support and administration experience
• Experience with DoD requirements and processes including Risk Management Framework requirements within classified environments.

Desired Skills

• IAT Level II (8570 compliant) certification (e.g., Security+, GSEC, SCNP, SSCP, CISSP, CISA, GSE, SCNA)
• 3 + years administering and supporting enterprise class, classified IT infrastructure
• Production level support for Microsoft Windows and Linux operating systems and enterprise networks
• Installation, configuration, deployment, and maintenance of physical and virtual infrastructure (VMware NSX/vSAN/Horizon/ARIA, private/public clouds, SAN/NAS, VDI, NetApp, Dell VxRail/HCI)
• Management of endpoint security with McAfee E Policy Orchestrator/Trellix Endpoint Security
• Imaging and deployment using Microsoft Deployment Toolkit and Windows OS imaging processes
• Use of engineering requirements tools (IBM Rational DOORS, Jama Connect, Polarion)
• Modeling and simulation with MATLAB/Simulink, SysML/UML, and MBSE tools (IBM Rational Rhapsody, Cameo Systems Modeler, PTC Integrity)
• Configuration of certificates for web servers (IIS, Apache, Nginx), load balancers, VPN gateways, and client authentication systems; Windows Server AD Certificate Services installation and hardening
• Administration of Linux/Unix PKI solutions (OpenSSL, EJBCA, Dogtag, step ca)
• Deep knowledge of Microsoft Active Directory, including AD Integrated device/user enrollment policies
• Network traffic analysis, diagnostics, and troubleshooting expertise
• Automation and scripting with Ansible, PowerShell, Bash, Python (or similar)
• Familiarity with STIGs, RMF, vulnerability management, patching, and security hardening processes
• Experience with ITSM/ITOM tools (e.g., Aria Operations) and DoD Cloud Computing SRG compliance
• Excellent written and verbal communication, documentation, and mentoring skills
• Active Top Secret (or higher) clearance required at hire; must remain eligible throughout employment , U.S. citizen, candidates must also be eligible to undergo a Counter Intelligence (CI) polygraph.
• Growth mindset with willingness to learn new technologies and adapt to a fast changing, mission critical environment