System Administrator Senior Staff

Reference: 728243BRPosted: 2026-06-30Location: Hanover, MarylandSalary: $117,200 - $206,770Clearance: TS/SCI w/Poly SPCompany: Lockheed MartinDescription:WHAT WE'RE DOINGLockheed Martin, Rotary Mission Systems Cyber & Intelligence invites you to step up to one of today’s most daunting challenges: the use of advanced electronics to undermine our way of life. As a cyber security professional at Lockheed Martin, you’ll protect the networks that our citizens and the world depend upon each minute: Financial assets. Healthcare information. Critical infrastructure. Hazardous materials. The uninterrupted flow of energy that keeps modern life moving. Here, you’ll work with cybersecurity experts on the forefront of threat protection and proactive prevention. In this fast-paced, real-world environment, you’ll draw on all your education and experience as well as the resources of Lockheed Martin to keep the threats at bay.THE WORKIn this role you will:• Serve as the senior system administrator with extensive experience supporting Windows‑based desktops, laptops, and virtual server environments.• Manage and maintain production and development virtual servers, including monthly patch compliance, software update testing and deployment, and PKI certificate lifecycle activities.• Oversee the installation, packaging, testing, and rollout of customer‑specific applications across a large fleet of workstations.• Provide comprehensive hardware and software support for distributed computing assets, ensuring regular updates, account provisioning, and individual system accountability.• Administer the end‑to‑end procurement process for software and hardware, handling purchase requests, coordinating with program management, logging tasks, and maintaining full documentation in JIRA and Confluence.• Operate a standalone laboratory environment, managing isolated devices, performing data migrations, installing operating systems, and preparing for future network integration—all documented in the standard knowledge bases.• Maintain calendar and scheduling resources for the team, acting as the primary point of contact for shared‑drive access and related support issues.• Conduct secure file‑transfer operations, ensuring that transfer appliances are kept current with security patches and compliance standards.#RMSIL2026#OneLMHotJobsBasic Qualifications:• Fifteen (15) years experience as a SA in programs and contracts of similar scope, type, and complexity is required. Bachelor’s degree in Computer Science or related discipline from an accredited college or university is required. Four (4) years of additional SA experience on projects with similar processes may be substituted for a bachelor’s degree• Candidate must maintain a IAT level II certification, per DoD Directive 8570.01-M. • Possess & Maintain a TS/SCI clearance with a Polygraph within the last 5 years.Desired Skills:• Enterprise software packaging & rollout • IT procurement & documentationClearance Level: TS/SCI w/Poly SPOther Important Information You Should KnowExpression of Interest: 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 Schedules: 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.Schedule for this Position: 9x80 every other Friday offPay 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 $117,200 - $206,770. 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.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.Experience Level: Experienced ProfessionalBusiness Unit: RMSRelocation Available: PossibleCareer Area: Systems Engineering: OtherType: Task Order/IDIQShift: First