Senior Principal System Administrator

Job Description
You don't see it, but it's there. Our employees work on the world's most advanced electronics from saving emissions in the City of Lights to powering the Mars Rover to protecting the F- 35 fighter jet. At Electronic Systems, you'll be among the brightest minds, working on the aerospace and defense industry's most difficult problems. Drawing strength from our differences, we're innovating for the future. And you can, too. Our flexible work environment provides you with a chance to change the world without giving up your personal life. We put our customers first - exemplified by our missions: "We Protect Those Who Protect Us®" and "We Innovate For Those Who Move The WorldTM." Sound like a team you want to be a part of? Come build your career with BAE Systems.
BAE Systems team is looking for a highly trained and motivated Principal Closed Area Systems Administrator to lead and manage classified IT infrastructure operations. Responsibilities: Maintain a suite of PC clients running Windows, Microsoft Office, TMPC software, and other 3rd party COTS/GOTS; servers running Red Hat Enterprise Linux, Windows Server, Microsoft SQL Server, and also TMPC software, and other 3rd party COTS/GOTS running in a virtualized environment; and other network hardware, storage, and other devices in support of the TMPC development and integration test environment. Position will also include cybersecurity responsibilities and maintaining the security posture of integration and development environment in accordance with BAE Systems and DoD mandated information security requirements.
This position is 100% onsite within a closed, classified area. Some after-hours or weekend support may be required for maintenance windows or incident response. You must be able to lift equipment (up to 40lbs) and work within controlled environments.
Required Education, Experience, & Skills

• Solid experience operating within VMware infrastructure
• Proficient in RedHat 7/8/9 administration; strong command of Linux RHEL patching workflows and package management tools (e.g., YUM/DNF)
• Strong Microsoft Windows and Microsoft Server OS administration and installation experience
• Experience with supporting classified networks
• Experience with ePO integration - attain McAfee ePO Administrator (5.10) Certification within 6 months
• Experience with networking concepts (DNS, LDAP, SSH/SCP, Switches, and Routers)
• Experience with cybersecurity/information assurance processes and procedures; familiarity with DISA STIGs, Nessus vulnerability scanning, and cyber compliance frameworks
• Familiarization with Public Key Infrastructure (PKI)
• Good verbal and written communication skills
• CompTIA Security+ certified

Preferred Education, Experience, & Skills

• Experience supporting system accreditation efforts (SSP, POA&M, RMF)
• Scripting skills (e.g., Bash, PowerShell) for automation and task efficiency
• Familiarity with DISA STIGs, Nessus vulnerability scanning, and cyber compliance frameworks
• Experience installing and configuring development tools
• Proficient in the installation and administration of Shared Storage devices
• Experience with virtualization architectures, software, hypervisors; administration/installation (RedHat KVM)
• Familiar with MS Office products: Word, PowerPoint, and Excel
• Exhibiting teaming skills and collaborating within a cross-functional team

Pay Information
Full-Time Salary Range: $132962 - $226035
Please note: This range is based on our market pay structures. However, individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience.
Employee Benefits: At BAE Systems, we support our employees in all aspects of their life, including their health and financial well-being. Regular employees scheduled to work 20+ hours per week are offered: health, dental, and vision insurance; health savings accounts; a 401(k) savings plan; disability coverage; and life and accident insurance. We also have an employee assistance program, a legal plan, and other perks including discounts on things like home, auto, and pet insurance. Our leave programs include paid time off, paid holidays, as well as other types of leave, including paid parental, military, bereavement, and any applicable federal and state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition awards. Other incentives may be available based on position level and/or job specifics.
About BAE Systems Electronic Systems
BAE Systems, Inc. is a defense, aerospace, and security company headquartered in Falls Church, Virginia, with more than 40,000 employees worldwide. We serve, supply, and protect those who protect us. As one of the most geographically diverse international defense companies, we deliver a full range of products and services spanning air, land, maritime, space, and cyber, including advanced electronics, intelligence solutions, and dedicated customer support.
Our culture is performance-driven and values-led, built on curiosity, creativity, and collaboration. Purpose isn't a tagline here. It's what drives us. We're developing breakthrough technologies that defend national security and make a lasting impact on our communities and our planet. When you join BAE Systems, you're not just building a career. You're contributing to a mission that truly matters.
This position will be posted for at least 5 calendar days. The posting will remain active until the position is filled, or a qualified pool of candidates is identified.