Network Engineer

Job Description This position is for an early to mid-level Network engineer with 5-10 years of experience 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 services, advanced training systems, and full-scale spacecraft mockups for astronaut preparation and engineering analysis. Description of Duties

• Implement approved network and system designs, ensuring alignment with project objectives and stakeholder requirements.
• Support the development of project schedules and provide regular status updates to contract management and project engineering teams.
• Coordinate implementation activities with integration teams, maintenance personnel, and other project stakeholders.
• Consult and coordinate contract requests for network modifications and upgrades.
• Support the design and maintenance of all managed network hardware.
• Generate and update configuration management documents such as cabinet/console drawings, facility floor plans, cable running lists, cross-connect wire lists, maintenance instructions, and subsystem tests.

Successful candidates will:

• Demonstrate strong initiative, a commitment to continuous learning, and the ability to expand their technical skill set.
• Work effectively in team environments, contributing positively to collaboration and shared goals.
• Apply strong problem-solving abilities to technical, operational, and project challenges.
• Communicate clearly across engineering, integration, maintenance, security, cloud, and infrastructure teams.
• Show confidence in working independently and making well-informed technical decisions when needed.

Job Requirements Must have the following education and experience: Bachelor/Master of Science degree and minimum of 3 years of general experience. The candidate must be able to obtain a NASA Personal Identity Verification (PIV) Badge for NASA credentials. Core Technical Skills

• Strong knowledge of routing and switching technologies (BGP, OSPF, EIGRP, STP, VLANs, trunking).
• Deep familiarity with Cisco and Aruba network hardware.
• Solid experience with firewalls (Palo Alto, Fortinet, Cisco ASA/Firepower).
• Hands-on experience with VPN technologies (IPSec, SSL VPN, site-to-site tunnels).
• Understanding of network security best practices (ACLs, IDS/IPS, segmentation).
• Experience with Cisco Identity Services Engine (ISE).

Operational & Troubleshooting Skills

• Ability to design and implement network solutions for enterprise environments.
• Strong troubleshooting skills using tools like Wireshark, packet captures, and CLI diagnostics.
• Experience supporting enterprise-class networks and managing escalation workflows.
• Understanding of change management, documentation standards, and ITIL processes.

Additional Skills

• Ability to work cross-functionally with diverse technical teams.
• Strong communication skills for incident response and root-cause analysis.
• Experience leading projects or mentoring junior engineers.
• Comfortable working independently and exercising sound technical judgment.

Required Certifications · CCNA (Cisco Certified Network Associate). Desired Requirements Advanced / Modern Networking

• Experience with network automation tools or scripting languages (Python, Ansible).
• Familiarity with cloud networking concepts (AWS VPC, Azure VNets, hybrid connectivity).
• Understanding of network virtualization technologies (VXLAN, VMware NSX).
• Experience with network monitoring tools (SolarWinds, Splunk).

Preferred Certifications

• CCNP (Enterprise, Security, or Data Center).
• CompTIA Network+ or Security+.
• Cloud provider certifications (AWS Solutions Architect, Azure Administrator).

This position is expected to pay $90k - $120k annually; depending on experience, education, and any certi?cations that are directly related to the position. All quali?ed 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: 09/28/2026 - 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 ( . Amentum