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Senior Linux Engineer

HRUCKUS
Colorado, CO Full Time
POSTED ON 12/5/2025 CLOSED ON 12/20/2025

What are the responsibilities and job description for the Senior Linux Engineer position at HRUCKUS?

Veteran Firm Seeking a Senior Linux Engineer for an Onsite Assignment in Colorado Springs, CO.


My name is Stephen Hrutka. I lead a Veteran-owned consulting firm in Washington, DC, focused on strategic sourcing, supply chain management, and IT Staffing.


One of our newest clients is looking to fill a Senior Linux Engineer role in Schriever AFB, Colorado Springs, CO.


The ideal candidate is a Colorado Springs Resident who holds a DoD Secret Security Clearance, has over 14 years of IT experience, including 6 years of direct experience in Linux server management. The candidate should also hold current Security CE and Linux certifications.


If you’re interested, I'll gladly provide more details about the role and further discuss your qualifications.


Thanks,


Stephen M Hrutka

Principal Consultant

www.hruckus.com


Executive Summary: HRUCKUS is seeking a Senior Linux Engineer to join our client’s team in Colorado Springs, CO to support the Missile Defense Agency (MDA). This role is central to sustaining mission-critical cybersecurity infrastructure in a dynamic Department of Defense (DoD) environment. You will ensure operational readiness, security, and performance of cybersecurity tools, platforms, and applications while strengthening the agency’s defense against evolving threats.


Position Duties:

As a Senior Linux Engineer, you will:


  • Install, configure, and maintain Linux servers (e.g., Red Hat Enterprise Linux, CentOS) within physical and virtualized environments (e.g., VMware, RHV, Azure)
  • Implement and manage system security hardening according to DISA STIGs, NIST guidelines, and DoD policies
  • Perform system patching, upgrades, and vulnerability remediation in a timely and efficient manner
  • Monitor system performance, troubleshoot issues, and optimize configurations for optimal performance
  • Develop and maintain system documentation, including standard operating procedures (SOPs) and diagrams
  • Support the implementation, configuration, and maintenance of a variety of cybersecurity tools, including but not limited to: ArcSight, Elastic, ACAS, Trellix EPP
  • Troubleshoot technical issues related to cybersecurity tools, including integration challenges, performance bottlenecks, and configuration errors
  • Develop and maintain scripts and automation to streamline security operations tasks and improve efficiency
  • Collaborate with security analysts and incident responders to investigate and resolve security incidents
  • Participate in security assessments and audits to ensure compliance with DoD regulations and security best practices
  • Develop and implement security policies and procedures to protect sensitive data and systems
  • Automate security tasks using scripting languages (e.g., Bash, Python, Ansible)
  • Work closely with other engineers, analysts, and security professionals to achieve common goals
  • Communicate effectively with technical and non-technical stakeholders
  • Provide technical guidance and mentoring to junior engineers
  • Participate in an on-call rotation for after-hours support


Required Skills:

  • Must have 14, or more, years of general (full-time) work experience
  • May be reduced with the completion of an advanced degree
  • Must have 6, or more, years of direct experience in Linux server management
  • Must have experience with system hardening and security best practices for Linux systems.
  • Must have experience with configuration management tools such as Ansible, Puppet
  • Must have experience with virtualization technologies such as VMware, KVM, RHV.
  • Must be able to support after-hours maintenance window work, as needed.
  • Must have a current IAT Level II Certification (Security CE)
  • Must have a current Linux-based certification (RHCSA, RHCE, LPIC)
  • Must be able to maintain a restricted badge and work on-site 4 days per week
  • Must have an active DoD Secret Clearance


Desired Skills:

  • Experience with Cyber tools such as ArcSight, Elastic, ACAS, Trellix EPP
  • Experience with database administration (e.g., MySQL, PostgreSQL).
  • Experience with containerization technologies such as Docker or Kubernetes.
  • Proficiency in scripting languages such as Bash, Python, or Perl.
  • Familiarity with the MDA and BMDS programs


Details:

  • Job Title: Sr Linux Engineer
  • Location: Shriever AFB (Colorado Springs, CO)
  • Clearance Requirement: Active DoD Secret Clearance
  • Assignment Type: Full-time, Onsite
  • Salary Range: $140,000 - $160,000 per year with benefits (Medical, Dental, and Vision coverage, 401(k) with company match, Paid Time Off, opportunities to make a difference while advancing your career, and many more)

Salary : $140,000 - $160,000

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