ECS is seeking a Sr. Linux/Network Engineer to work in the Sierra Vista, AZ / Ft Huachuca Area.
As a leading provider of managed cybersecurity services, ECS provides a highly tailored and customized offering to each customer. Our team is responsible for protecting both our customers and corporate environment at ECS. Our mission is very broad, and our team is agile.
Our mission is to defend U.S. Army assets and information and to meet Army Cyber Command (ARCYBER) requirements. The capabilities included in our solution are the most advanced endpoint security technologies, analytics, expertise, and process integrations Intel Security offers.
We will look for unique skills to approach and solve problems. You will have the opportunity to work and grow your expertise with a team of software engineering and cyber security experts working to tackle the cyber defense issues of the modern military with creative and innovative solutions.
As an Infrastructure/Linux Engineer, you will support ECS's Army Endpoint Security Solution (AESS) program. ECS is seeking a talented Sr. Linux/Network Engineer to work in the Sierra Vista, AZ area and perform the following duties.
- Hands-on configuring and managing Routers, Switches, Firewalls, and Virtual Private Networks (VPNs)
- Deploy, configure, and maintain virtual Linux servers on secure and unsecure networks.
- Perform routine maintenance and updates on servers to resolve performance and security issues.
- Participate/troubleshoot performance issues on 3rd party Linux applications.
- Provide documentation such as STIG Checklists, CRQs/RFCs, and Diagrams
- Utilize CRM tools to request/track changes to the servers and infrastructure
- Communicate technical information to team members regarding server performance and sizing issues
- Troubleshoot and analyze data/packet flows using TCPDUMPs, PCAPs and other analytics
- Implement/operate diagnostics and monitoring tools to detect/prevent/repair anomalous server behavior.
- Perform ad hoc projects support, analysis, and reporting as needed
- Some travel to CONUS and OCONUS locations may be required.
General Description of Benefits
Preferred Qualifications- Minimum Top-Secret clearance is required
- Compliance with DoD 8140 / 8570 IAT Level II certification prior to start date
- 5+ years support in Network and IT Security
- CCNA or equivalent / CCNP preferred
- Red Hat Certified System Administrator (RHCSA)
- Security+ or equivalent
- Bachelor’s Degree in a computer science related field or 6 years’ experience
Skills Required
- Minimum Top Secret security clearance
- DoD 8140 / 8570 IAT Level II certification before start date
- Minimum 5 years of experience supporting network and IT security
- CCNA or equivalent
- CCNP
- Red Hat Certified System Administrator certification
- Security+ or equivalent certification
- Bachelor's degree in a computer science-related field or 6 years of experience
ECS Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about ECS and has not been reviewed or approved by ECS.
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Healthcare Strength — ECS advertises multiple national-network medical plan options with HSA eligibility alongside dental and vision coverage. Coverage generally begins quickly and is paired with company-paid short- and long-term disability, adding stability to the health package.
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Retirement Support — A 401(k) with Safe Harbor and immediate vesting on employer contributions is emphasized, with an employer match available. Access to an employee stock purchase plan via the parent company provides an additional savings avenue.
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Parental & Family Support — Paid parental leave up to 30 days, adoption assistance, and other family-oriented leaves are highlighted. Feedback suggests these offerings add meaningful value beyond base pay for many roles.
ECS Insights
What We Do
ECS, a segment of ASGN (NYSE: ASGN), delivers advanced solutions and services in cloud, cybersecurity, artificial intelligence (AI), machine learning (ML), application and IT modernization, and science and engineering. The company solves critical, complex challenges for customers across the U.S. public sector, defense, intelligence and commercial industries. ECS maintains partnerships with leading cloud, cybersecurity, and AI/ML providers and holds specialized certifications in their technologies. Headquartered in Fairfax, Virginia, ECS has more than 3,400 employees throughout the U.S. and has been recognized as a Top Workplace by The Washington Post for the last five years.







