Linux/Windows Senior Systems Administrator

Company: Lockheed Martin
Location: Poway
Posted on: April 1, 2026

Job Description:

Job Description WHO WE ARE Lockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future of the industry. With a rich legacy of excellence and a commitment to delivering advanced capabilities to our customers, we are proud to be at the forefront of cutting-edge technology and engineering. WHAT WE'RE DOING At Lockheed Martin, we're revolutionizing the aerospace and defense sector through groundbreaking technology, advanced manufacturing processes, and a world-class team of professionals. Our mission-driven approach and unwavering dedication to excellence ensure that we continue to deliver superior products and solutions to our customers around the world. THE WORK Lockheed Martin is looking for highly motivated, experienced individuals to perform network/system administration and support on a variety of complex platforms supporting BMD and other DoD related activities. System Administration activities include (but are not limited to): • Setup and configuration of new computing assets, to include STIG compliant hardening • Configuration, fine tuning, and maintenance of security tools such as Nessus, ACAS, Splunk, etc. • Setting up/configuring new users • Installation and configuration of new software on computing assets • Performing preventive maintenance on hardware • Assisting the Cybersecurity team in maintaining the compliance of computing assets WHY JOIN US Opportunity for Impact: Join a team that is at the forefront of innovation in the aerospace and defense industry and make a significant impact on the success of our organization. Professional Development: Take advantage of unparalleled opportunities for growth and advancement within Lockheed Martin, with access to world-class training and development programs. Collaborative Culture: Work alongside some of the brightest minds in the industry who share your passion for excellence and who are committed to supporting each other's success. Competitive Benefits: Enjoy a comprehensive benefits package, including health insurance, retirement plans, and paid time off, as well as competitive salary offerings. Cutting-Edge Technology: Be part of a dynamic and forward-thinking work environment where you will have the opportunity to work with the latest technology and contribute to groundbreaking projects that are shaping the future of aerospace and defense. WHY JOIN US Opportunity for Impact: Join a team that is at the forefront of innovation in the aerospace and defense industry and make a significant impact on the success of our organization. Professional Development: Take advantage of unparalleled opportunities for growth and advancement within Lockheed Martin, with access to world-class training and development programs. Collaborative Culture: Work alongside some of the brightest minds in the industry who share your passion for excellence and who are committed to supporting each other's success. Competitive Benefits: Enjoy a comprehensive benefits package, including health insurance, retirement plans, and paid time off, as well as competitive salary offerings. Cutting-Edge Technology: Be part of a dynamic and forward-thinking work environment where you will have the opportunity to work with the latest technology and contribute to groundbreaking projects that are shaping the future of aerospace and defense. Basic Qualifications Solid background/experience with Red Hat Enterprise - Microsoft Windows Server Setup, Configuration, and Administration - Experience providing lab support including: Network/System Administration - Experience with server and desktop management of Linux and Windows environments - Familiar with package deployment, imaging, and patching Desired skills Compliance with DoD Risk Management Framework (RMF) Policies (or NIST 800-53) - Experience providing support in classified environments -DoD 8570 IAT Level II or higher certification: CCNA Security, CSA, GICSP, GSEC, Security CE, or SSCP is required. - Familiar with Active Directory and SCCM - Experience with Aegis and other BMD systems/platforms - Experience interacting with both internal and external customers/end-users - Must be able to work independently with minimal supervision Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics. The application window will close in 90 days; applicants are encouraged to apply within 5 - 30 days of the requisition posting date in order to receive optimal consideration. * At Lockheed Martin, we use our passion for purposeful innovation to help keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work. With our employees as our priority, we provide diverse career opportunities designed to propel, develop, and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. We place an emphasis on empowering our employees by fostering an inclusive environment built upon integrity and corporate responsibility. If this sounds like a culture you connect with, you’re invited to apply for this role. Or, if you are unsure whether your experience aligns with the requirements of this position, we encourage you to search on Lockheed Martin Jobs , and apply for roles that align with your qualifications. Other Important Information By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings. Ability to work remotely Onsite Full-time: The work associated with this position will be performed onsite at a designated Lockheed Martin facility. Work Schedule Information Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to our Paid Time off benefits. Security Clearance Information This position requires a government security clearance, you must be a US Citizen for consideration. Pay Rate: The annual base salary range for this position in California, Massachusetts, and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $81,600 - $143,865. For states not referenced above, the salary range for this position will reflect the candidate’s final work location. Please note that the salary information is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market and business considerations when extending an offer. Benefits offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Education Assistance, Parental Leave, Paid time off, and Holidays. (Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays. Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year. This position is incentive plan eligible. Pay Rate: The annual base salary range for this position in most major metropolitan areas in California, Massachusetts, and New York is $93,800 - $162,610. For states not referenced above, the salary range for this position will reflect the candidate’s final work location. Please note that the salary information is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market and business considerations when extending an offer. Benefits offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Education Assistance, Parental Leave, Paid time off, and Holidays. This position is incentive plan eligible.

Keywords: Lockheed Martin, Glendora , Linux/Windows Senior Systems Administrator, Engineering , Poway, California