Network Engineer (Network Engineering, Senior Associate)

The MIL Corporation; Lexington Park (MD); On-site; USD 130,000 - 175,000; Full time

Job summary

The MIL Corporation is seeking a Network Engineer (Senior Associate) to support a Federal Government client in Lexington Park, MD. The role focuses on planning, engineering, implementation, and sustainment of enterprise voice, video, and data networks with a Call Manager emphasis.

You will collaborate with the Program Manager, government customers, and technical teams on architecture development, technical analysis, and lifecycle sustainment activities.

Qualifications

• Minimum five (5) years of experience supporting Federal Government, DoD, or Defense Industry network engineering efforts.
• Cisco CCNA, CCNP Enterprise, CCNP Collaboration, or equivalent certification.
• Experience supporting enterprise network infrastructure, including routing, switching, WAN technologies, and network security.
• Understanding of VoIP, Unified Communications, Call Manager, SIP, and voice network architectures.
• Experience with network design, implementation, testing, and sustainment activities.
• Knowledge of TCP/IP networking concepts and communications technologies.
• Experience developing technical documentation, engineering reports, and network diagrams.
• Excellent verbal and written communication skills.
• Ability to interface professionally with personnel at all organizational levels.
• Proficiency with Microsoft Office Suite, Visio, and SharePoint

Responsibilities

• Design, implement, and sustain enterprise network infrastructure supporting voice, video, and data communications services.
• Support Unified Communications and VoIP environments, including Call Manager, voice gateways, SIP, and call routing services.
• Perform technical planning, requirements analysis, and engineering assessments for network modernization initiatives.
• Develop network architecture designs, technical specifications, implementation plans, and engineering documentation.
• Configure and troubleshoot routing, switching, QoS, VLANs, WAN connectivity, and network security solutions.
• Analyze and resolve network and voice service performance issues, including latency, jitter, packet loss, and call quality concerns.
• Support system integration, testing, implementation, and sustainment activities for network and communications systems.
• Develop and maintain network diagrams, call-flow diagrams, SOPs, and technical reports.
• Review engineering products, technical proposals, and BOMs for technical accuracy and compliance.
• Identify opportunities for process improvement and recommend technical solutions to improve operational effectiveness.

Skills

Federal Government experience

VoIP

Cisco CCNA/CCNP

Enterprise network

Network security

SIP/Unified Communications

Documentation

MS Office/Visio/SharePoint

Education

Bachelor's degree in a technical discipline

Tools

CUCM

Cisco IOS

Job description

The MIL Corporation is seeking a Network Engineer (Network Engineering, Senior Associate) to support a Federal Government client at our Lexington Park, MD location. The Network Engineer will provide technical planning, engineering, implementation, and sustainment support for enterprise network and communications systems. The successful candidate will support the design, integration, modernization, and operation of voice, video, and data networks, with a particular focus on Call Manager-based solutions.

The engineer will work directly with the Program Manager, government customers, and technical teams to support network architecture development, system integration, technical analysis, and lifecycle sustainment activities.

This position currently requires an on-site schedule, with 5 days on-site and is eligible for Compressed Work Schedule (CWS). Schedule is subject to change based on company/contract requirements.

Responsibilities

• Design, implement, and sustain enterprise network infrastructure supporting voice, video, and data communications services
• Support Unified Communications and VoIP environments, including Call Manager, voice gateways, Session Initiation Protocol (SIP), and call routing services
• Perform technical planning, requirements analysis, and engineering assessments for network modernization initiatives
• Develop network architecture designs, technical specifications, implementation plans, and engineering documentation
• Configure and troubleshoot routing, switching, Quality of Service (QoS), VLANs, WAN connectivity, and network security solutions
• Analyze and resolve network and voice service performance issues, including latency, jitter, packet loss, and call quality concerns
• Support system integration, testing, implementation, and sustainment activities for network and communications systems
• Develop and maintain network diagrams, call‑flow diagrams, Standard Operating Procedures (SOPs), and technical reports
• Review engineering products, technical proposals, and Bills of Material (BOMs) to ensure technical accuracy and compliance with requirements
• Identify opportunities for process improvement and recommend technical solutions to improve operational effectiveness

Travel

40% to other sites, as needed

Required Qualifications

• Minimum five (5) years of experience supporting Federal Government, Department of Defense (DoD), or Defense Industry network engineering efforts
• Cisco CCNA, CCNP Enterprise, CCNP Collaboration, or equivalent certification
• Experience supporting enterprise network infrastructure, including routing, switching, WAN technologies, and network security
• Understanding of Voice over IP (VoIP), Unified Communications, Call Manager, SIP, and voice network architectures
• Experience with network design, implementation, testing, and sustainment activities
• Knowledge of TCP/IP networking concepts and communications technologies
• Experience developing technical documentation, engineering reports, and network diagrams
• Excellent verbal and written communication skills
• Ability to interface professionally with personnel at all organizational levels
• Proficiency with Microsoft Office Suite, Visio, and SharePoint

Desired Qualifications

• Experience supporting Cisco Unified Communications Manager (CUCM) environments
• Experience with SIP trunking, voice gateways, call routing, dial plans, and Unified Communications technologies
• Experience with Quality of Service (QoS), VPNs, multicast, and network performance optimization
• Familiarity with DoD enterprise network infrastructure and communications systems
• Experience with technical planning, strategic analysis, and system modernization initiatives
• Knowledge of RMF, STIGs, and cybersecurity requirements

Education

Bachelor's degree from an accredited university in a technical discipline or equivalent combination of education, certifications, and relevant experience.

Clearance

All applicants for this position must have a current Secret clearance and be able to obtain and maintain a Top-Secret SCI clearance; please note that the clearance process takes into account financial background aspects.

Compensation

The MIL Corporation values your contributions and offers a range of benefits to support your overall well-being. We are pleased to offer a comprehensive range of benefits to our full-time employees which include health, life, disability, and retirement plans, as well as paid time off, opportunities for professional growth and tuition assistance. Additional benefits and incentives may also apply, which will be communicated during the hiring process.

For this position, the projected compensation range is $130,000 - $175,000 per year. This estimate represents the typical salary range and is just one part of MIL's complete compensation package. Final salary for this position is determined based on factors such as individual qualifications, education, experience, and contractual limitations. Learn more on the MIL Careers page.

Why MIL?

The MIL Corporation (MIL) is a dynamic workforce of industry professionals who deliver world-class solutions in cyber, engineering, financial management, and information technology - and we are looking for candidates like you! MIL offers opportunities for professionals at all stages of their careers, from early-career candidates to experienced industry professionals. We are known for a collaborative, people‑first culture where employees are supported, valued, and encouraged to grow. This commitment to our people and our work is reflected in the industry and workplace awards MIL has received over the years.

• 2017 - 2025 Top Workplaces Award, Greater Washington Area (The Washington Post)
• 2018 - 2025 Certified Great Workplace, Great Place to Work
  • 2021 - 2025, Best Workplaces in Consulting & Professional Services
  • 2021 Fortune Best Workplaces for Millennials
  • 2018 Fortune, Great Place to Work: Best Place to Work for Diversity
• 2017, 2020 - 2025 Top Workplace Award, South Carolina (Greenville Business Magazine, Columbia Business Monthly, and Charleston Business Magazine)
• 2025 Corporate Partnership Award, Association of Fundraising Professionals, Maryland Chapter
• 2024 Patriot Award, Employer Support of the Guard and Reserve (ESGR), Department of Defense
• 2022 Freedom Award, Employer Support of the Guard and Reserve (ESGR), Department of Defense
• 2018, Above & Beyond Award, Employer Support of the Guard and Reserve (ESGR), Department of Defense

If your goal is to help the federal government deploy leading technologies, improve financial management, or defend the nation in cyberspace, MIL welcomes you. Become a part of something greater, where you, the people, make the difference.

Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected veteran status or other characteristics protected by state or federal law.