System Administrator, Senior
Aberdeen Proving Ground, MD
Category: Engineer
Industry: Government
Reference ID: JN -012026-105225
Date Posted: 01/26/2026
Shortcut: http://careers.eliassen.com/di0SZH
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.
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 Eliassen.com 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 InfoSec@eliassen.com.
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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. Eliassen Group’s Affirmative Action Plan (AAP) is available for inspection by any employee or applicant for employment upon request, during normal business hours of Monday through Friday, 8:30am to 5:30pm EST. Interested persons should contact Phaedra Wells at pwells@eliassen.com for assistance. It is unlawful in Massachusetts and Maryland to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
Applicants with disabilities that believe they require an accommodation or assistance with a position, please email our HR team at hradmin@eliassen.com. This email inbox is designed exclusively to assist job seekers whose disability prevents them from being able to apply online. Emails sent for other purposes will not receive a response.
Please be advised that a number of fraudulent job postings have been released under the Eliassen Group brand.
Unfortunately, fraudulent job postings can happen. If anyone reaches out to you about an open position connected with Eliassen Group, never provide personal or financial information to anyone who is not clearly associated with Eliassen Group
If anyone seemingly from Eliassen Group has ever requested this personal information in the past or does so in the future, please contactInfoSec@eliassen.com.
Please ensure that you are working directly with us by confirming the following:
- When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
- Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group, as indicated above