Sr. Linux/Network Engineer

Job Description
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.

Required Skills

• 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

Desired Skills

• Experience with building, troubleshooting, operating, and maintaining IT Networks
• In-depth understanding and practical knowledge of IPv4/IPv6, ACLs, Routing, Switching, and Firewalls
• Experience managing and supporting SDDC's such as VMware NSX-T Data Center
• Comprehensive understanding of Operating Systems, such as Extreme Network OS, Cisco IOS/IOS-XE/NX-OS, Linux, Windows
• Basic understanding of VMware products, such as vSphere and vRealize: Log Insight (vRLI), Network Insight (vRNI), and Operations (vROps)
• Experience in Extreme VDX Series Switches or similar technology is a huge plus
• Experience managing and supporting RHEL7/8 and CentOS7 servers in a DoD environment.
• Comprehensive understanding of network infrastructure.
• In-depth understanding and practical knowledge of NFS filesystems, SELinux, and RPM package management.
• Experience with building and troubleshooting virtual servers in a VMware virtual environment.
• Experience securing Linux servers to DoD STIG standards.
• Experience with Docker containers or similar technology is a huge plus.
• Experience with Ansible automation or similar technology is a huge plus.
• Experience Red Hat Satellite servers is a huge plus.

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ECS Federal LLC is an equal opportunity employer and does not discriminate or allow discrimination on the basis any characteristic protected by law. All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, or local jurisdiction law.

is the federal segment of , a $4B global organization with over 10,000 employees. Our nearly 3,500 professionals deliver advanced technology solutions in data and AI, cybersecurity, and enterprise transformation, serving defense, intelligence, and federal civilian agencies.

Our work powers mission-critical outcomes, strengthens technology partnerships, and creates meaningful opportunities for our people. We are defined by a commitment to excellence in delivery, a culture of innovation, and an environment where talent can thrive and grow.

We value:

• Attracting and developing top talent and high-performing teams

• Fostering a culture that is engaging, accountable, and mission-driven

Meet the challenge. Make a difference with Everforth ECS!