Linux System Administrator

Linux System Administrator

Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we've been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now—protect and innovate with MANTECH!

MANTECH seeks a motivated, career and customer-oriented Linux System Administrator to join our team in Fort Detrick, Maryland. This is a hybrid position with 3 days onsite and 2 days remote. Expanded telework options are available for exceptional candidates on a case-by-case basis.

This position supports a pivotal Defense Health Agency (DHA) program within our Health Portfolio. The successful candidate will work with an experienced project team supporting systems that are instrumental to Medical Logistics (MEDLOG) business processes. The focus is on high-level troubleshooting across the DoD enterprise, automating cloud environments via OS-level programming, and maintaining deep visibility into system health via AWS monitoring tools.

Responsibilities include but are not limited to:

• Administer and support Linux servers in an AWS cloud environment, including backup, restore, and recovery operations.
• Architect and manage monitoring and alerting (CloudWatch, SNS) to proactively ensure server health and performance.
• Install, upgrade, patch, and maintain server software in compliance with IAVAs, DISA STIGs, and SRGs.
• Provide 24x7 technical support, disaster recovery planning/testing, and system recovery in accordance with Army regulations.
• Troubleshoot complex connectivity, integration, and network issues; coordinate PPS submissions as required.
• Collaborate with Cyber Security teams to identify, remediate, and mitigate IA findings.
• Deliver cloud infrastructure planning and maintain comprehensive system and user documentation.

Minimum Qualifications:

• A bachelor's degree in computer science, IT, Business Administration, Management or other related scientific or technical discipline experience is required and a minimum of 7 years of infrastructure related experience in enterprise Linux environments (OracleLinux). Certification will be a plus.
• Experience in script programming (e.g. Shell, Perl, Python, Go, etc.)
• Proven experience in a DevOps environment and with server operations in large environments and in Gov. cloud (AWS)
• Must be able to obtain CompTIA Security+ certification prior to start date. Other acceptable certifications: Cloud+, GICSP, SSCP, GSEC, FITSP-O, GFACT, CASP+, CCNP Security, or CCSP.
• Must be able to obtain SYSOPS AWS certification.
• Exceptional interpersonal, problem-solving, and trade-off analysis skills – particularly cross-team coordination where an architecture change has an impact to multiple sub-systems.

Preferred Qualifications:

• Excellent verbal and written communication skills.
• Experience with Risk Management Framework (RMF) and other government audits.
• Experience with applying and maintaining DISA STIG and SRG configuration requirements
• Experience with configuring and maintaining cloud-based infrastructure in support of SAP/HANA application

Clearance Requirements:

• Must be a U.S. Citizen and willing and able to obtain a Public Trust suitability and undergo a Tier 3 Investigation for DoD Common Access Card (CAC) eligibility only

Physical Requirements:

• The person in this position frequently communicates with co-workers, management and customers, which may involve delivering presentations; must be able to exchange accurate information in these situations. The person in this position will need to be able to operate a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.

The projected compensation range for this position is $98,000.00-$163,100.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections. MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at and provide your name and contact information.