Senior Linux System Administrator

Zachary Piper, LLC; San Diego (CA); On-site; USD 100,000 - 130,000; Full time

Benefits offered by this job

Comprehensive benefits package

401k with ADP

PTO

Paid holidays

Job summary

Zachary Piper Solutions is seeking a Senior Linux System Administrator to join a large DoD program in San Diego, CA. This role focuses on building and maintaining secure Linux infrastructure, with emphasis on network services, security, and reliability.

Applicants must have a relevant degree or equivalent experience, the ability to obtain and maintain a Secret or Top Secret clearance, and must hold a Security+ certification.

Qualifications

• Bachelors degree with 4 years of experience, or 8 years of experience without a degree.
• Must be able to obtain and maintain an active Secret or Top Secret clearance.
• Strong Linux experience; Security+ certification required.

Responsibilities

• Install, configure, and support LAN, WAN, and Internet systems or a segment of a network.
• Monitor network to ensure availability for all users and perform necessary maintenance.
• Assist in network modeling, analysis, planning, and coordination between network and data communications hardware and software.
• Administer network security measures.

Skills

Strong Linux experience

Security+ Certification

Education

Bachelor's degree + 4 years experience

Associate's degree + 6 years experience

8 years experience without a degree

Tools

Red Hat / RHEL

Job description

Zachary Piper Solutions is looking for a Senior Linux System Administrator to join a large DOD program in San Diego, CA.

Essential Duties of the Sr Linux System Administrator:

• Install, configure, and support an organization's local area network (LAN), wide area network (WAN), and Internet systems or a segment of a network system.
• Monitor network to ensure network availability to all system users and may perform necessary maintenance to support network availability.
• May assist in network modeling, analysis, planning, and coordination between network and data communications hardware and software.
• May administer network security measures.

Qualifications of the Sr Linux System Administrator:

• Bachelors degree and 4 years of experience, Associates degree and 6 years of experience, or 8 years of experience without a degree
• Must be able to obtain and maintain an active Secret or Top Secret clearance.
• Strong Linux experience.
• Security+ Certification required.

Compensation for the Sr Linux System Administrator:

• $100,000 - $130,000 (based on experience)
• Comprehensive benefit package; Cigna Medical, Cigna Dental, Vision, 401k w/ ADP, PTO, Sick Leave as required by law, paid holidays

This job opens for applications on 9/23/2026. Applications for this job will be accepted for at least 30 days from the posting date.

#LI-LS3 #LI-ONSITE

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