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CACI International Cyber Mission Infrastructure Engineer (Linux) in Chantilly, Virginia

Cyber Mission Infrastructure Engineer (Linux)

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: TS/SCI with Polygraph

Employee Type: Regular

Percentage of Travel Required: None

Type of Travel: None

What You’ll Get to Do:

You will use your specialized operating systems administration skills and familiarity with client networks to support the design, engineering and implementation of complex client networks. You will manage the operations and maintenance of a custom application. As an expert in network infrastructure, you will have the technical acumen and technical writing skills to develop, enhance, or revise security processes and policies and administrative/how to guides. You will work on a team of government and other contractor employees to enable specific systems’ functionality and reliability. You will analyze and resolve problems associated with the operating system's servers, hardware, applications, and software. You will monitor systems performance and ensures compliance with security standards. You will inform network owners and client management regarding best practices, security standards, internal policy and implementation progress on a visible project.

You’ll Bring These Qualifications:

7+ years demonstrated experience with Linux system administration to include: SSH, SCP, 2-Factor Authentication, Pack Managers (yum, apt), SE Linux, Firewalls (iptables, nft)

Bachelors degree in related field

Experience with python3

Experience with LAMP stack implementation and troubleshooting

Experience developing administrative guides to document system troubleshooting, patching, and upgrading

Experience implementing and documenting security processes and policies

Experience with security scans and audits, POAMs, implementing policies (password, upgrade, patches, etc.)

Working knowledge of disaster recovery best practices

Familiar with perl, PHP, and shell scripting

Familiar with Apache configuration and troubleshooting, NFS/CIFS, HA Proxy, mySQL, SKS (gpg keyserver), Yubikey (ykval and ykkms)

Familiar with IPv6, interface bonding/teaming, PXE, Kickstart

Ability to work independently or under only general direction

Written and oral communication skills, including ability to present to diverse audiences

Ability to work creatively and analytically in a fast-paced environment

Active TS/SCI with required polygraph clearance

Desired Requirements:

Demonstrated Technical writing skills to include:

Security Processes and Policies

Security scans/audits


Policies (password, upgrade, patches, etc.)

Disaster recovery

Administrative Guides




What We Can Offer You:

- We’ve been named a Best Place to Work by the Washington Post.

- Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives.

- We offer competitive benefits and learning and development opportunities.

- We are mission-oriented and ever vigilant in aligning our solutions with the nation’s highest priorities.

- For over 55 years, the principles of CACI’s unique, character-based culture have been the driving force behind our success.

Company Overview: At CACI, you will have the opportunity to make an immediate impact by providing information solutions and services in support of national security missions and government transformation for Intelligence, Defense, and Federal Civilian customers. CACI is an Equal Opportunity Employer – Females/Minorities/Protected Veterans/Individuals with Disabilities.

As a federal contractor, CACI is subject to any federal vaccine mandates or other customer vaccination requirements. All new hires are required to report their vaccination status.