Temporary Junior Linux Administrator - 304821

DNI (Delaware Nation Industries); United States; On-site; USD 95,000 - 100,000; Full time

Benefits offered by this job

401(k) match

Full benefits package

Job summary

A prime contractor in IT support is seeking a Temporary Junior Linux Administrator. This role involves providing application support for Linux servers, administering user accounts, and ensuring performance and availability. The ideal candidate has 3+ years of Linux administration experience and holds a CompTIA Security+ certification. This is a full-time, temporary position from September 2025 to July 2026, located in the United States.

Qualifications

• Minimum of 3 years of relevant Linux application administration experience.
• Active DoD Top Secret clearance.

Responsibilities

• Provide application support for COTS and government software on Linux servers.
• Administer user accounts and network functions.
• Support code deployments and provide technical troubleshooting.
• Monitor performance and respond to outages.
• Plan and execute application restoration for emergencies.

Skills

Linux application administration

Technical troubleshooting

User account administration

Web application support

Patch management

Education

CompTIA Security+ or equivalent certification

Job description

Temporary Junior Linux Administrator - 304821

Pay Range:

• Base pay: $95,000.00 - $100,000.00 per year (salary based)
• Additional benefits: 401(k) match and full benefits package

DNI (Delaware Nation Industries) is a prime contractor providing systems and application support for the Defense Counterintelligence & Security Agency (DCSA). This role can be supported nationally.

Responsibilities

• Provide application support for Commercial off the Shelf (COTS) and governmental write‑on‑site (MP) software running on Linux servers in the BIES environment on a 24x7x365 basis.
• Administer user accounts and control functions of the information system/network.
• Support code deployments and updates; provide technical support and troubleshooting.
• Participate in on‑call rotation for after‑hours and weekend support, including Sunday morning maintenance windows.
• Attend meetings with DCSA personnel, DBAs, and development teams to review scheduled releases and testing cycles.
• Write and submit change requests (CRs) to schedule changes to the application environment.
• Coordinate with other technical teams to ensure maintenance plans do not conflict with scheduled changes.

Installation Support

• Install and configure COTS and GOTS software.
• Deploy custom software and debug deployment issues.
• Determine host system requirements and map them to application topology.
• Select suitable application editions and install options.
• Provide application administration services and maintain GOTS revisions and distributions.
• Plan and implement installations and upgrades.

Maintenance Support

• Support maintenance activities, improve performance with available tools, and verify that only valid processes are running.
• Optimize application functionality, diagnose, and recover failed applications.
• Maintain application integrity, performance, and availability.

Monitoring Support

• Monitor performance during core hours and take proactive measures to prevent service disruption.
• Respond to after‑hours calls for outages and major system degradations as defined by the Program Management Office.

Web Administration Support

• Support web administration activities in a Windows Server environment, including installation, configuration, and troubleshooting of web applications.
• Identify problems, gather details, eliminate variables, reproduce issues, and develop hypotheses of root cause.

Repair Support

• Support repair activities; document repairs and manage back‑out coding and patching changes.
• Apply patches/code fixes and assist supporting system administrators, DBAs, and developers with errors/issues.
• Provide application security administration support, applying STIG guidelines and developing procedures to respond to new threats.
• Ensure rigorous application of information security and information assurance policies.

Restoration Support

• Plan and execute application restoration for emergency and routine restoration requests.
• Lead or participate in troubleshooting initiatives to determine incident root causes and develop work‑arounds.
• Develop and implement system operations restoration plans with step‑by‑step details.

Employment period: Temporary role from September 2025 to July 2026.

Requirements

• Minimum of 3 years of relevant Linux application administration experience.
• CompTIA Security+ or equivalent certification.
• Active DoD Top Secret clearance.

Seniority level

Mid‑Senior level

Employment type

Full‑time

Job function

Information Technology (IT Services and IT Consulting)

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