Astrion

Integrated defense, security, and space technology

Senior Systems Administrator - Unix/Linux

System AdministrationConfirmed live in the last 24 hours

Full-timeDahlgren, VA, USA$130k - $140.6kIn-person

About the Job

Requirements

Six years of professional experience in Unix and/or Linux system administration of networks and software systems.
Experience in system backup and recovery; basic software management; security management and library management; installation and configuration of hardware; operational systems and commercial off-the-shelf software; operating computer systems in different operating environments; and sizing, performance, tuning, hardware/software/network troubleshooting, and resource allocation.
Qualified experience with different network protocols, including TCP/IP, and major network security tools such as firewalls; knowledge of computing and networking vulnerabilities, attack methods, and current detection methods.
Must be designated as IAT III level with a T5.

Responsibilities

Oversee the administration, configuration, and security of Unix and/or Linux network environments and software systems.
Maintain system resilience through lifecycle infrastructure management, including hardware deployment, commercial off-the-shelf software integration, network optimization, and security administration.
Secure environments against vulnerabilities and attacks while optimizing multi-environment systems for resource efficiency.

Desired Qualifications

A Master's-level degree in Electrical, Electronic, or Computer Engineering, Computer Science, or Information Systems.
CompTIA Security+, CompTIA CySA+, or CCNA certification.

Overview

Senior Systems Administrator (Unix/Linux)

JOB LOCATION: Dahlgren, Virginia

JOB STATUS: Full Time

CLEARANCE: Top Secret

TRAVEL: Less than 10%

SALARY: $130,000 to $140,600

Astrionhas a contingent opening for aSenior Systems Administrator (Unix/Linux)supporting the U.S. Navy’s Naval Surface Warfare Center Dahlgren Division (NSWCDD),locatedin Dahlgren, VA.As a Senior Systems Administrator (Unix/Linux) you will oversee the administration, configuration, and security of Unix and/or Linux network environments and software systems. This role maintains system resilience through lifecycle infrastructure management, handling everything from hardware deployment and COTS software integration to advanced network optimization and security administration. Operating at the highest tier of technical trust, the you will work to secure environments against modern vulnerabilities and attacks while optimizing multi-environment systems for maximum resource efficiency.

REQUIRED QUALIFICATIONS / SKILLS

Six (6) years of professional experience in Unix and/or Linux system administration of networks and software systems
Experience in system backup and recovery; basic software management; security management and library management; installation and configuration of hardware; operational systems and COTS software; operating computer systems in different operating environments; and sizing, performance, tuning, hardware/software/network trouble shooting and resource allocation.
Qualified experience in different network protocols including TCP/IP and major network security tools such as: firewalls, knowledge of computing and networking vulnerabilities, attach methods and latest detection methods.
This position is required to be designated as IAT III level with a T5.

PREFERRED QUALIFICATIONS / SKILLS

Master’s level degree in Electrical/Electronic/Computer Engineering, Computer Science, or Information Systems.
CompTIA Security+, CompTIA CySA+, or CCNA

#CJ

About the Company

Astrion

Integrated defense, security, and space technology

Astrion provides integrated technology solutions and services for defense, homeland security, intelligence, and space missions. It covers cyber, software, systems engineering, and mission support, delivered through an “always on” approach and strong execution in demanding environments. The company works directly with customers to deliver impactful results and shape the future of national security and space operations. By combining technical expertise with agility, Astrion differentiates itself through relentless pursuit of bold ideas and end-to-end support across the lifecycle of complex missions. Its goal is to help customers meet critical moments with reliable, tailored solutions that advance capabilities in defense, security, and space.

Company size: 1,001-5,000
Company stage: Not listed
Total funding: Not listed
Headquarters: Washington DC, District of Columbia
Founded: Not listed

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