ManTech International

Linux Engineer

ManTech International • $90K — $120K *
Quantico, VA 22134In-Person
Aerospace & Defense
Less than 5 years of experience
1 week ago
Job Overview by Ladders

Qualifications

  • Bachelor's degree with 4 years of experience in Red Hat Enterprise Linux (RHEL) versions 7.X to 9.X; additional 2 years may substitute for degree.
  • Proficient in securing Linux systems in compliance with DISA STIG.
  • Experience using Red Hat tools, specifically Ansible and Red Hat Satellite.
  • Familiar with scripting languages like Python, Perl, or bash.
  • Knowledge of virtualization tools such as VMware, KVM, or Proxmox.

Responsibilities

  • Maintain and secure Linux systems on classified and unclassified networks for Cyber operations.
  • Optimize and ensure maximum uptime for Linux systems.
  • Contribute creatively to process improvements and provide surge support as needed.
  • Travel to support operational requirements when necessary.

Benefits

  • Onsite work environment in Quantico, VA.
  • Opportunities for career growth in a specialized field.
  • Engagement in important cybersecurity operations.
  • Potential for skill development in areas like DevOps and Automation.
Full Job Description
General information

Requisition #

R68166

Locations

USA-VA-Quantico

Posting Date

05/30/2026

Security Clearance Required

TS/SCI

Remote Type

Onsite

Time Type

Full time

Description & Requirements

MANTECH seeks a motivated, career and customer-oriented Linux Engineer to support our current NCIS contract out of Quantico, VA.

Responsibilities include but are not limited to:
  • The Linux Engineer will maintain, update, and secure existing Linux systems on both classified and unclassified networks in support of Cyber investigations and operations.
  • Candidates will be responsible for optimizing, maintaining, and securing Linux systems to ensure optimum performance with minimal downtime.
  • Candidates may also be asked for creative contributions to improve existing processes and for surge support for various initiatives in areas related to their area of expertise
  • Travel may be required to support operations.


Minimum Qualifications:
  • Bachelor's degree and minimum of 4 years of experience working with Red Hat Enterprise Linux 7.X, 8.X, 9.X with a strong command-line interface (CLI) skillset (additional 2 years of experience may be substituted in lieu of degree).
  • Experience securing Linux systems with DISA STIG requirements.
  • Experience with Red Hat based tools such as Ansible and Red Hat Satellite.
  • Familiarity with at least one common scripting language such as Python, Perl, bash, etc
  • Experience with virtualization tools (Vmware, KVM, Proxmox)


Preferred Requirements:
  • Experience with monitoring solutions such as Icinga2 or Nagios Experience and / or willingness to learn DevOps and Automation.
  • Familiarity with the DIACAP and/or RMF accreditation processes, specifically with configuring Linux systems in compliance with the Security Technical Implementation Guides (STIGs).
  • Experience with maintaining a secure, standard OS build process.
  • Experience installing and managing PostgreSQL.


Security Clearance Required:
  • Must have a current/active Top Secret / SCI.


Physical Requirements:
  • Sedentary Work


About ManTech International

ManTech International Corporation is an American defense contracting firm that was founded in 1968. The company provides cybersecurity, intelligence, and defense solutions to the United States Government. ManTech has over 9,000 employees and operates in 40 countries worldwide. The company's services include software development, systems engineering, and enterprise IT solutions. ManTech has been awarded numerous contracts by the U.S. Department of Defense and other government agencies.
Learn more about ManTech International
Size
9,800 employees
Market Cap
$3.7 billion
Industry
Information Technology
Net Income
$120.5 million
Founded
1968
5 Year Trend
+9.8%
Revenue
$2.5 billion
NASDAQ
MANT
* Ladders Estimates

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