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Added 2 hours ago
Information Systems Security Engineer 2 - II
InterImage
Fort Meade, MD
We are seeking an Information Systems Security Engineer to support the organization’s information security efforts. This role involves assisting with security-related activities, supporting…
Added 2 hours ago
Network-Savvy CNO Developer - II
InterImage
Fort Meade, MD
…direct support of U.S. national security initiatives. As a CNO Engineer on the SAS Mobile team, you’ll play a critical role designing, developing, and deploying tools that enhance mission’s…
Added 2 hours ago
Network-Savvy CNO Developer - II
InterImage
Fort Meade, MD
…direct support of U.S. national security initiatives. As a CNO Engineer on the SAS Mobile team, you’ll play a critical role designing, developing, and deploying tools that enhance mission’s…
Added 4 hours ago
Network Administrator 3/4 - TS/SCI - Dulles VA
Military Spouse Jobs & VetJobs
United States
The Northrop Grumman CIDO Classified Solutions team is seeking a Network Administrator / Engineer (at level 3 or level 4) to join our team supporting complex, multi-site networks that…
Added 8 hours ago
Lead Engineer
Fiserv
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Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information…
Added 9 hours ago
Network Administrator 3/4 - TS/SCI
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The Northrop Grumman CIDO Classified Solutions team is seeking a Network Administrator / Engineer (at level 3 or level 4) to join our team supporting complex, multi-site networks that…
Added 9 hours ago
Engineer II, Software Assurance, Product Security (Remote)
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As a Security Engineer II, you will focus on securing our open-source footprint and upstream dependencies. You will perform technical security assessments of GitHub organizations and…
Added 10 hours ago
Test Engineer II
Sierra Nevada Company, LLC
Southern Pines, NC
…championing and protecting explorers and heroes! As a Test Engineer II, you will play a crucial role in developing and executing complex test plans and procedures for various aerospace and…
Added 10 hours ago
Test Engineer II
Sierra Nevada Company, LLC
Southern Pines, NC
…championing and protecting explorers and heroes! As a Test Engineer II, you will play a crucial role in developing and executing complex test plans and procedures for various aerospace and…
Added 10 hours ago
Principal Security Engineer
Cars.com LLC
Remote, United States
…Are you passionate about staying ahead of the ever-evolving cyber threat landscape? If so, we want you on our team! We are seeking a seasoned Principal Security Engineer to join our growing…
Added 12 hours ago
Endpoint Security Engineer III - Nessus
CACI, INC.-FEDERAL
Springfield, VA · St. Louis, MO
CACI has an exciting opportunity for a Senior Endpoint Security Engineer to join our Transport & Cybersecurity Services (TCS) team in either Springfield, VA or St. Louis, MO. Our Endpoint…
Added 12 hours ago
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Odyssey Systems Cons
Colorado Springs, CO
- $31,533 USD / year
…in Space as a Space Surveillance Telescope (SST) Sustainment Engineer providing Engineering Support as a member of the SST System Program Office (SPO) in Combat Forces Command (CFC),…
Added 12 hours ago
Junior Information Security Systems Engineer (ISSE)
Command Post Technologies, Inc.
Orlando, FL
Command Post Technologies, Inc. (CPT) is seeking a Junior Information Security Systems Engineer (ISSE) to design, implement, and validate cybersecurity measures across evolving range…
Added 13 hours ago
Lead DB Engineer/Administrator (Secret Clearance)
MKS2 Technologies
Colorado Springs, CO
…innovative and customer-centric technology solutions in the areas of Cyber Security, Instructional Design and Training, Software Engineering and IT Support Services to improve the security…
Added 14 hours ago
Cloud Cyber Security Engineer
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Base-2 Solutions is seeking a Cloud Cyber Security Engineer to play a critical role in the accreditation of a state-of-the-art technology stack under the DOMEX Technology Platform (DTP),…
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Information Systems Security Engineer
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Job Title: Information Systems Security Engineer (ISSE)
Added 15 hours ago
Cyber Systems Support Specialist
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Cole Engineering seeks an experienced, on-site, systems engineer to join our dedicated team, supporting the Persistent Cyber Training Environment (PCTE) platform. This role demands an…
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Responsible for complying with all NERC cyber and reliability standards.
Added 15 hours ago
Endpoint Security Engineer III - Nessus
CACI
Springfield, VA · St. Louis, MO · Springfield · St. Louis
CACI has an exciting opportunity for a Senior Endpoint Security Engineer to join our Transport & Cybersecurity Services (TCS) team in either Springfield, VA or St. Louis, MO. Our Endpoint…
Added 15 hours ago
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System Administrator Engineering SME I
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- $110,000 to $125,000 USD / year
Administer access and authentication services in accordance with CG policy, Cyber, and Industry Standards.
Added 16 hours ago
Network Engineer- Hospital Ship- Humanitarian Aid
CACI, INC.-FEDERAL
Norfolk, VA
Job Title: Network Engineer- Hospital Ship- Humanitarian Aid
Added 16 hours ago
Cyber Test Engineer, Mid
Booz Allen Hamilton_United States
Rome, NY
Knowledge of cyber threats and how to harden a system to prevent them
Added 16 hours ago
Cyber Engineer – Endpoint Security
Colorado Springs, CO · Schriever Space Force Base, CO
Cimarron is seeking a Cyber Engineer – Endpoint Security to support the Missile Defense Agency (MDA) on the Integrated Research and Development for Enterprise Solutions (IRES) contract at…
Added 16 hours ago
Cyber Security Engineer / Security Engineer – II
3Core Systems, Inc
Arlington, TX
Security Engineer – II role strengthens and maintains the organization’s

Amentum

Linux System Administrator IRES - SSFB

Colorado Springs, CO, United States

$120,000 – $145,000

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Job details

Pay: $120,000 – $145,000
Posting language: English
Posted: Oct 20, 2026

Original job description

Position Title: Linux System Administrator

Location: Schriever Space Force Base, Colorado Springs, CO

Relocation Assistance: None available at this time

Remote/Telework: NO - Not available for this position

Clearance Type: DoW Secret

Shift: Day shift

Travel Required: Up to 10% of the time

Description of Duties:

The Linux System Administrator supports the Missile Defense Agency (MDA) on the Integrated Research and Development for Enterprise Solutions (IRES) contract. The candidate will:

· Serve as a technical focal point for the architecture, sustainability, and advanced troubleshooting of physical and virtual Linux-based environments.

· Bridge the gap between traditional infrastructure maintenance and modern containerization by administering VMware Tanzu and container repositories.

· Collaborate closely with network, system, and cybersecurity engineers to provide engineering support and ensure the infrastructure is optimized for high availability.

· Leverage automation and modern system administration methodologies, you will streamline system monitoring, manage complex backups and disaster recovery, and execute software deployments.

· Have responsibilities that include implementing critical cyber security mitigations, managing standard operating procedures (SOPs), and ensuring all Linux infrastructure aligns with established service level agreements (SLAs) and mission readiness requirements.

The successful candidate will:

· Be able to mentor junior staff and lead cross-functional technical projects.

· Be able to decompose difficult infrastructure problems and engineer scalable resolutions.

· Be ambitious, inquisitive, and capable of quickly mastering challenging new technologies.

· Be proactive, inquisitive, self-motivated with a strong commitment to continuous improvement.

· Be able to maintain workplace professionalism.

Resumes, in month and year format, must be submitted with application in order to be considered for the position. The selected candidate may be assigned as an employee for one of our teammate companies.

Basic Requirements:

· Must have 12 , or more, years of general (full-time) work experience

o May be reduced with completion of advanced education

· Must have 4 , or more, years of directly related experience in enterprise Linux operating systems and server management.

· Must have 6 , or more, months of experience working in a management or leadership role

· Must have proven experience with scripting and automation tools (e.g., Bash, Python, Ansible).

· Must have the demonstrated ability to manage medium-scale technical initiatives and troubleshoot complex systems.

· Must have experience deploying and configuring Ansible Automation Platform

· Must have experience with Linux Content Management.

· Must have experience with fapolicy and selinux.

· Must have an active DoD 8570.01-M IAT Level II certification (e.g., CompTIA Security+ CE or higher).

· Must have experience with Red Hat Enterprise Linux 9.

· Must have experience with Red Hat Satellite and Capsule.

· Must have experience with Red Hat Identity Manager.

· Must have an active DoW Secret Security Clearance

· Must be able to obtain (and maintain) an active DoW Top Secret Security Clearance with SCI eligibility

Desired Requirements:

· Have a Bachelor’s degree in Information Technology or related field.

· Have 1, or more, years of MDSEA experience

· Have a valid Red Hat Certified System Administrator Certification.

· Have an active DoW Top Secret Security Clearance.

· Strong background in process automation and modern system design.

· Expertise in refining standard processes and documenting architectural changes.

This position will be posted for a minimum of 3 days. If a candidate has not been selected at that time, it will continue to be posted until a suitable candidate is selected or the position is closed.

Compensation Details:

$120,000 – $145,000

The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.

Benefits Overview:

Our health and welfare benefits are designed to support you and your priorities. Offerings include:

Health, dental, and vision insurance
Paid time off and holidays
Retirement benefits (including 401(k) matching)
Educational reimbursement
Parental leave
Employee stock purchase plan
Tax-saving options
Disability and life insurance
Pet insurance

Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

Original Posting:

10/20/2026 - 10/28/2026

Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters (https://postings.govdocs.com/#/vxSkbztPuAwwxfs) .

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