Senior Network Engineer
Sphinx Defense · Colorado Springs, CO
Posted about 3 months ago · $144,000 - $176,000
or apply directly on Sphinx Defense's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 80 days Sphinx Defense's roles stay open a median of 83 days
- Reposted
- No
- Salary listed
- Yes 60% of Sphinx Defense's roles list one
- Ghost-job risk at Sphinx Defense
- high 25 stale, 0 reposted of 25 open
- Hiring momentum
- 34 roles opened in the last 90 days ↑ up vs. the prior 90 days
- Last confirmed on the employer's board
- 2026-10-25
Measured from postings appearing on and disappearing from Sphinx Defense's own greenhouse board since 2026-08-03. Full hiring picture for Sphinx Defense.
About this role
As a Senior Network Engineer at Sphinx, you will design, build, secure, and maintain network infrastructure for national security space systems. Your work will involve troubleshooting network issues, collaborating with various teams, and ensuring compliance with government security requirements. You will also support enterprise networking technologies and contribute to infrastructure improvements that enhance operational efficiency.
- benefits
- 3/5
- freshness
- 1/5
- career value
- 4/5
- role clarity
- 5/5
- pay transparency
- 5/5
Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Sphinx Defense as an employer.
What you need
- 10+ years of experience supporting enterprise or mission-critical network infrastructure
- Hands-on experience with network troubleshooting, routing and switching, firewalls, and secure network architectures
- Experience configuring and supporting Cisco, Juniper, and/or Palo Alto network technologies
- Experience implementing and troubleshooting VPNs, IPSec tunnels, and network segmentation
- Hands-on network security experience, including identifying and mitigating routing-based threats
- Experience working in classified or highly secure environments
Nice to have
- Experience designing or supporting complex AWS and/or multi-cloud networking environments
- Experience with network automation tools and protocols such as Ansible, RESTCONF and NETCONF
- Experience supporting space, defense, or government mission environments
- Hold an active DOD 8570 IAT Level II certification or higher (i.e. Security+)
What you get
- Competitive salary
- Meaningful equity ownership
- Profit sharing
- Employer 401(k) contribution
- 100% employer covered medical, dental, and vision insurance for you and your dependents
Worth weighing
- Role requires eligibility for TS/SCI clearance, which may be a barrier for some candidates
- Position involves working in classified environments, which may have unique challenges
- Hybrid work model may not suit all candidates depending on personal preferences
Summarised from Sphinx Defense's posting. Read the full original.
Listed by Sphinx Defense on their greenhouse job board, last confirmed open on 2026-10-25. PitchMeAI is not the employer.
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