Linux Network Engineer

Job ID: 2616803

Location: Arlington, VA, US

Date Posted: 2026-09-15

Category: Information Technology

Subcategory: Network Engineer

Schedule: Full-Time

Shift: Day Job

Travel: Yes - 10% of the time

Minimum Clearance Required: TS.SCI

Clearance Level Must Be Able to Obtain: TS/SCI with Poly

Potential for Remote Work: ORA_ON_SITE

Description

SAIC is seeking a Linux Systems Engineer capable of working with contractors, government personnel, and subject matter experts focusing on creating and recognizing targeting opportunities and strategies in the cyber-realm. The ideal candidate must be self-motivated, excel in independent and small-team environments, and demonstrate strong troubleshooting and problem-solving abilities with minimal supervision. This is an onsite position located in Arlington, VA, with flexible options.

Daily tasks may include:

• Supporting a variety of networks and systems in a mission-critical enterprise environment.
• Operate independently or small-team environments, providing technical solutions through critical thinking, troubleshooting, and problem-solving.
• Proactively seek out opportunities to learn new skills, technologies, and share knowledge with junior team members.
• Takes initiative to find, prioritize, and execute on tasks to include, but not limited to, systems administration, systems automation, security audits, and patch management.
• Professionally communicate with a mixed audience of both junior and senior technical peers, senior leadership, and government officials.

Qualifications

Required Education / Experience:

• Bachelors and 9 years or more experience. Masters and 7 years or more experience. Or 13 years of experience in lieu of degree.
• Active Security+ or CISSP certification.
• Recent, hands on, and in-depth experience working with RedHat Enterprise Linux and RedHat OpenShift.
• Recent, hands on, and in-depth experience managing, maintaining, and automating RHEL infrastructure.
• Strong ability to diagnose and resolve system performance issues.
• Recent, hands on, and in-depth experience utilizing virtualization and containerization technologies such as Vmware, KVM, or Docker.
• Intermediate to advanced experience with scripting language(s) – Bash and Python preferred.
• Intermediate to advanced experience with automation tools – Ansible preferred.
• Intermediate to advanced experience with networking technologies, protocols, and troubleshooting.

Desired Education/Experience:

• Familiar with managing and maintaining development or AI infrastructure.
• Familiar with monitoring and logging tools, platforms, or systems.
• Familiar with modern security standards and best practices such as DISA STIGS or CIS Benchmarks.
• Familiarity with Mac OSX and Apple products.
• Familiarity with Deep Web and Dark Web at the technical level.
• Familiarity with VPN technologies, protocols, and implementations at the technical level.

Desired Certifications:

• RedHat Certified Engineer (RHCE).
• RedHat Certified Systems Administrator (RHCSA),
• CompTIA Linux+.

Clearance/Citizenship Requirements:

• U.S. Citizenship.
• Active TS/SCI.
• Active CI Polygraph preferred.
• Ability to obtain a CI Polygraph.

Target salary range: $160,001 - $200,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.