Sr. Network Engineer

Company Description

ETAS Inc. has upcoming opportunity for a Sr. Network Engineer (Direct Hire) position at our office in Lexington, KY. Please submit resumes via the web page link below.

Enterprise Technical Assistance Services, Inc. (ETAS), is a wholly owned subsidiary of Professional Project Services, Inc (Pro2

Serve). ETAS was formed and dedicated to support the Department of Energy (DOE) Portsmouth/Paducah Project Office (PPPO) with technical and management services contributing to the safe and cost-effective implementation of the  One PPPO  mission.

The parent company, Pro2

Serve, is a nationally recognized environmental, technical, and engineering services firm dedicated to providing critical environmental management services to reduce the Nation's environmental liabilities and infrastructure engineering services in support of our Nation's security. We support the energy, defense, and science markets through responsive, cost-effective execution of critical environmental, facilities and infrastructure, and nuclear defense and nonproliferation projects.

Job Code: 2026-ETA-029

The qualified candidate will be a highly skilled and motivated Network Engineer with a strong background in networking and system administration to join our dynamic IT team. The ideal candidate will have a CCNP certification, 10+ years of hands‑on experience, and a proven track record managing and securing enterprise network infrastructure.

Experience with Cisco Nexus / Catalyst switches, ISR / ASR / Catalyst routers, and FTD (Firepower Threat Defense) firewalls is essential. Experience with Cisco wireless controllers, WSA (Web Security Appliance), and ESA (Email Security Appliance) is beneficial.

• Design, implement, manage, and optimize complex network infrastructures.
• Configure and maintain routers, switches, firewalls, and VPNs in a multi-site environment.
• Deploy and manage Cisco FTD for advanced threat protection and firewall policies.
• Administer Cisco WSA and ESA to ensure secure web and email communications.
• Monitor network performance and troubleshoot issues to ensure optimal operation.
• Collaborate with security teams to maintain compliance and implement best practices.
• Maintain documentation of network configurations, changes, and procedures.
• Provide escalation support for system and network‑related incidents.
• Participate in on‑call rotation for critical system support.

• CCNP (Cisco Certified Network Professional) certification required.
• 10+ years of professional experience in network engineering.
• Solid experience with Cisco switch and routing platforms, Firepower (FTD), Web Security Appliance (WSA), and Email Security Appliance (ESA).
• Strong knowledge of TCP/IP, BGP, OSPF, EIGRP, VPN, VLANs, ACLs, and NAT.
• Experience with system administration (Windows and/or Linux).
• Familiarity with network monitoring tools and troubleshooting methodologies.
• Strong analytical and problem‑solving skills.
• Excellent communication and documentation skills.

• Experience with network automation tools or scripting (Python, Ansible).
• Familiarity with cloud networking (AWS, Azure).
• Exposure to SIEM and endpoint protection platforms.
• Bachelor's degree in Computer Science, Information Technology, or related field.

Direct Hire

This position may require the ability to obtain a government clearance. This position may require reviews and testing for absence of any illegal drugs along with a background investigation by the Federal government in order to obtain an access authorization prior to employment, and may require subsequent reinvestigations.

Affirmative Action Employer-M/F/Vet/Disab/LGBT

E-TAS benefits package has carefully designed to meet the needs of our employees and their families.

These benefits include:

• Major Medical Plan with Prescription Card, Dental Plan, Vision, and Disability Insurance
• Retirement Plan 401(k)
• Employee Stock Ownership Program (ESOP)
• Comprehensive Leave
• Holidays

Please submit salary or hourly rate requirements along with resume or in a cover letter.

Lexington, KY, area