Senior Network Engineer

Job Description

ECS is seeking a Senior Network Engineer to work in our North Charleston, SC office.
Please Note:
This position is contingent upon contract award.

We are seeking a highly skilled Senior Network Engineer to support the Defense Health Agency’s mission of delivering reliable, secure network connectivity to military medical facilities across the CONUS region. This role serves as the senior technical authority for enterprise LAN/WLAN/WAN operations and is critical to supporting the DoD medical community.

If you are an expert network engineer with top-tier certifications and a passion for mission-driven work, this is a high-impact opportunity.

In this role, you will lenterprise-level design, installation, and configuration.

The network you will manage supports hospitals, clinics, telemedicine, medical logistics, and clinical staff across the Military Health System. Your expertise enables doctors, nurses, and service members to access the information and systems they rely on every day.

If you hold a CCNP, a CISSP, and have the depth of experience needed to lead enterprise network operations, we want to meet you.

Apply today and help strengthen the DoD’s medical technology infrastructure.

• Mastery of networking protocols: TCP/IP, BGP, OSPF, EIGRP, DHCP, DNS, SNMP, VRRP, RSTP, and more.
• Experience with Cisco environments, Windows AD, UNIX/OpenVMS, routers, switches, and WAN infrastructure.
• Familiarity with Ethernet, Gigabit Ethernet, optical testing tools (OTDR), cabling standards, and network analyzers.
• Strong background supporting DoD health IT systems (highly preferred).
• Ability to lead troubleshooting, guide junior staff, and serve as the senior authority for network decisions.

• CCNP – Cisco Certified Network Professional
• CISSP – Certified Information Systems Security Professional

These certifications are essential for this role and required to meet DoD 8140 cyber workforce qualification standards.

• Bachelor’s degree in Computer Science, Engineering, or related field and 5 years of related experience,
• OR technical/vocational certification and 10 years of progressively complex experience.

• Active SECRET clearance required.

• Troubleshooting of LAN/WLAN/WAN networks.
• Act as the primary CONUS and global point of contact for network issues, routing, addressing, and multi-protocol connectivity.
• Solve complex issues using Solar Winds Orion, ARMIS, Ansible, MRTG, and other advanced diagnostics tools.
• Strengthen security through expert configuration of firewalls, VPNs, IDS/IPS, and Zero Trust-aligned controls.
• Provide architecture recommendations, performance tuning, and upgrade plans.
• Update and enforce network documentation, procedures, and standards.
• Partner with government leaders, medical staff, and technical teams to support mission-critical operations.

ECS 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.

ECS is a leading mid-sized provider of technology services to the United States Federal Government. We are focused on people, values and purpose. Every day, our 3300 employees focus on providing their technical talent to support the Federal Agencies and Departments of the US Government to serve, protect and defend the American People.