System Administrator, Senior

System Administrator, Senior Aberdeen Proving Ground, MD Type: Contract-to-Hire Category: Engineer Industry: Government Reference ID: JN -012026-105225 Date Posted: 01/26/2026 Shortcut: + Description + Recommended Jobs Description: _Onsite in Aberdeen Proving Ground, MD_ Our client requires a Senior System Administrator to support onsite systems at Aberdeen Proving Ground. The administrator will manage Linux-centric infrastructures, maintain secure and reliable networks, and support endpoint and server environments. The engagement is contract to hire with opportunity for clearance upgrade based on program needs. _Due to federal security clearance requirements, applicant must be a United States Citizen with an active Secret clearance. This is a contract to hire opportunity. Applicants must be willing and able to work on a w2 basis and convert to FTE following contract duration. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance._ Rate: $45.00 to $55.00/hr. W2 Responsibilities: Responsibilities + Provide functional and empirical analysis of software systems supporting enterprise operations. + Administer Linux and Windows networks and systems with a primary focus on Linux. + Install, upgrade, and troubleshoot servers to maintain stability and performance. + Deliver software support for laptops, desktops, and printers, including hardware configuration and network design. + Monitor system configuration and review server event logs to identify and resolve issues. + Test operating systems, networking software, and computer hardware to validate functionality. + Develop and manage server backup procedures to ensure data integrity and recovery. Experience Requirements: Experience Requirements + Five years of relevant system administration experience within the last eight years. + Hands-on knowledge of TCP/IP networking and information security or authorization profiles. + System administration experience with Linux or Windows, with Linux prioritized. + Proven experience installing, upgrading, and troubleshooting servers in production environments. + Experience supporting end-user computing devices and peripherals, including configuration and software testing. + Experience monitoring configurations and server event logs to maintain system health. + Experience developing and executing server backup procedures. + Active Secret clearance with ability to upgrade to TS/SCI. Education Requirements: Education Requirements + Bachelor's degree in Computer Science, Mathematics, or another Engineering or Technical discipline. + Must have an Active Secret clearance or higher. _Recruitment Transparency Notice_ _Eliassen Group values transparency in our recruitment practices. Please be advised that Eliassen Group utilizes artificial intelligence (AI) tools as part of its initial application screening process. You may receive email and SMS notifications from the Eliassen Virtual Recruiting Team (_ _ _, 781-808-2924) inviting you to complete a brief voice screening as part of your application process. These tools assist our hiring teams in different ways, including but not limited to, assistance in reviewing application materials to help identify candidates whose qualifications most closely match the requirements of the position. All AI-assisted evaluations and responses are reviewed by human recruiters before any hiring decisions are made. The use of AI in our process is intended to support fairness, efficiency, and consistency, and Eliassen Group takes measures to prevent bias or discrimination in connection with its hiring practices. By proceeding, you acknowledge, agree, and consent to Eliassen Groupu2019s use of these tools, including AI tools, as part of the application and hiring process._ _Skills, experience, and other compensable factors will be considered when determining pay rate. The pay range provided in this posting reflects a W2 hourly rate; other employment options may be available that may result in pay outside of the provided range._ _W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality._ _Please be advised- If anyone reaches out to you about an open position connected with Eliassen Group, please confirm that they have an email address and never provide personal or financial information to anyone who is not clearly associated with Eliassen Group. If you have any indication of fraudulent activity, please contact_ _ _._ _About Eliassen Group:_ _Eliassen Group is a leading strategic consulting company for human-powered solutions. For over 30 years, Eliassen has helped thousands of companies reach further and achieve more with their technology solutions, financial, risk & compliance, and advisory solutions, and clinical solutions. With offices from coast to coast and throughout Europe, Eliassen provides a local community presence, balanced with international reach. Eliassen Group strives to positively impact the lives of their employees, clients, consultants, and the communities in which they operate._ _Eliassen Group is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status._ _Donu2019t miss out on our referral program If we hire a candidate that you refer us to then you can be eligible for a $1,000 referral check_

Created: 2026-01-29