OS Engineer

Job Description

This role is as a mid-level Linux Engineer with 5-10+ years of experience. You will be supporting the Operating Systems and DBA Services organization on the Contract for Organizing Spaceflight Mission Operations and Systems (COSMOS) which is NASA’s next-generation mission operations contract located on-site at Johnson Space Center. COSMOS ensures the continuity of critical human spaceflight support by providing Mission Control Center (MCC) systems, advanced Mission Training Center (MTC) systems, and full-scale Space Vehicle Mockup Facility support for astronaut preparation and engineering analysis. Reference: COS-3061-022

Description of Duties

Working under general direction of the Linux team lead, serve in the capacity of a Systems Administration engineering support. The candidate will be responsible for maintaining the operations, on-going and new IT Initiatives and upgrades, evaluation for new software, and support for all production, staging, development, and disaster recovery environments. While Core Hours are 9am – 3pm, this job does require occasional shifting work hours for evening and weekend support. Additionally, this job will entail being on periodic rotation through our 24x7 on-call support.

Successful candidates will:

• Managing the appropriate configuration baseline of operating systems, software applications, and security compliance including threat detections and investigations

• Working with monitoring and performance tools (SolarWinds)

• Assess and interpret requirements of systems and applications in relation to hardware, software and operational needs

• Implement efficiencies through automation (leverage PowerShell, Power CLI, or Ansible to automate manual and repetitive processes)

• Investigate new technology and provide recommendations on system improvements and life cycle planning

• Possesses strong team-building skills across multi-functional areas that establish a collaborative operational structure including active listening, prompt service and follow-up.

• Exhibits proven track record of working under tight deadlines.

• Have excellent communication skills, both written and verbal.

• Exhibit professional behavior that promotes teamwork, fosters cooperation, and enhances productivity in the workplace.

• Be well organized with the ability to coordinate, prioritize and execute multiple tasks simultaneously in a high-pressure environment.

Job Requirements

Must have one of the following combinations of education and experience:

• B.S degree in Engineering, Computer Science, or similar field

• 5-10 years of relevant experience

• Must be able to obtain a NASA Personal Identity Verification (PIV) Badge for NASA credentials

Desired Requirements

• Experienced in Linux Operating System (e.g. Services, Security, Performance Tuning) and VMWare

• Experience in at least one high-level scripting language is a plus (e.g. Perl, Bash, BigFix ActionScript)

• Experience in Red Hat Satellite system management or Red Hat Automation Platform

• Familiar with heterogeneous platform management between Windows and Linux (SSH, Samba, Kerberos, LDAP)

• Familiar with basic TCP/IP networking (addressing, subnetting, routing, firewall rules, DHCP, DNS)

• Experience with ServiceNow, Splunk, SolarWinds, VMWare, DNS, DHCP, PXE, Kerberos, LDAP

• Understanding of container-based applications (Docker or Kubernetes)

This position is expected to pay $92K - $120K annually; depending on experience, education, and any certifications that are directly related to the position.

All qualified applicants will receive consideration for employment without regard to race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, age, marital status, pregnancy, genetic information, or other legally protected status.

Final compensation is determined through a comprehensive evaluation of several key factors, including the candidate’s educational background, specialized technical expertise, and relevant professional experience. We also consider internal equity, prevailing market data, and specific contractual or funding requirements to ensure competitive and equitable offer alignment.

Compensation Details:

Salary starts at $92k. Final pay will be commensurate with the candidate's experience, skills, and qualifications.

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:

10/06/2026 - Until Filled

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) .