Senior Network Engineer

Overview

This range is provided by MKS2 Technologies. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

$/yr - $/yr

Location: Herndon, VA

Clearance: TS/SCI w/ Full Scope Polygraph required

We are seeking a highly experienced Subject Matter Expert (SME) Level Network Engineer with a minimum of 16 years of professional experience, specializing in Network Access Control (NAC). This role is part of a technology-driven program supporting a key Government customer. The ideal candidate will possess deep expertise in CISCO network appliances, NAC platforms, and associated management software, with a strong focus on network security, endpoint validation, and policy enforcement.

Responsibilities

• Lead the design, implementation, and management of NAC solutions using CISCO network devices, load balancers, Linux servers, and CISCO appliances.
• Configure, maintain, and troubleshoot NAC policies and profiles to ensure secure network access.
• Monitor network traffic for anomalies and proactively mitigate security threats.
• Collaborate with cross-functional teams to align network security standards with organizational goals.
• Stay current with industry trends, emerging technologies, and best practices in NAC and network security.
• Provide expert-level technical support and guidance to internal teams and external clients.
• Participate in the evaluation and selection of NAC technologies and vendors.

Required Qualifications

• Minimum of 16 years of experience in network engineering with a focus on network security.
• Bachelor’s or Master’s degree in Computer Science, Information Technology, or related field.
• Proven SME-level experience with CISCO network appliances and NAC platforms.
• Strong understanding of network protocols, TCP/IP stack, and the OSI model.
• Experience with Cisco FTD or similar firewall management software.
• Excellent communication, analytical, and interpersonal skills.
• Ability to work independently and collaboratively in a dynamic environment.

Preferred Qualifications

• Expertise in Cisco Identity Services Engine (ISE).
• Industry certifications such as CCNA Security, CCNP Security, RHCA, or equivalent.
• Experience with Linux OS and Python scripting.
• Familiarity with a broad range of network technologies and architectural solutions.
• Understanding of advanced systems engineering and network design principles.
• Experience with cloud service providers (AWS, Azure, Oracle, Google) and hybrid cloud networking.

• Mid-Senior level

• Contract

• Information Technology

• Defense & Space