Demo

Sr. Network Engineer - Top Secret Clearance

MKS2 Technologies
Springfield, VA Full Time
POSTED ON 3/11/2026
AVAILABLE BEFORE 5/11/2026

Founded in 2008, MKS2 Technologies has helped Federal government customers design, implement and sustain mission-focused IT solutions focusing on cyber security support, enterprise application development, and instructional design and training. MKS2 is a Service-Disabled Veteran-Owned Small Business (SDVOSB) headquartered in Austin, Texas, with regional offices in Colorado Springs, CO, Monterey, CA, Portland, ME, and Washington, D.C.

 

Our full-time staff works on Federal services contracts in 27 states and the District of Columbia to provide mission-critical support to the Department of Veterans Affairs, The U.S. Army, and the U.S. Navy.

 

Description

  • The Senior Network Engineer serves as the highest internal escalation tier for the Networking O&M team providing advanced troubleshooting support and guidance to rapidly assess and remediate challenges in the networking arena that arise. When issues, incidents, and /or problems arise, the Senior Network Engineer drives the situation and oversees the Networking team’s troubleshooting and problem resolution, including Root Cause Analysis (RCA). 
  • Translate stakeholder and government requirements into network solutions, modifications, and support upgrades (networking, reconfiguration, hardware and software acquisitions, installation, and testing). Apply understanding of current and emerging network software and hardware technology and protocols in order to provide innovative and new ideas to resolve complex engineering challenges.
  • Oversee a variety of engineering and operational assignments related to the designing, deploying, and efficient and optimal operation of business-critical enterprise and data center network environments  in support of the Activity’s globally dispersed Remote Office/Branch Office (ROBO) and data center environments.
  • Support and oversee the networking team’s operations and maintenance (O&M) of deployed operational solutions backed by Cisco, Juniper, Riverbed, and SolarWinds. 
  • Ensure the networking team produces and maintains documentation of the network systems, sub-systems, and components in the IT networking portfolio, including as-built documentation, capacity/performance plans, and other areas of secure system life-cycle planning.
  • Partner with the IT Architecture and Engineering (A&E) teams to consistently explore, investigate, research, analyze, and assess new technologies to modernize and improve upon existing networking solutions.
  • Some travel may be required for this position.

 

Qualifications

Required Experience:

  • 7 years of  experience successfully leading the employment of network engineering technologies, methodologies, processes, and practices to design, engineer, implement, test, secure, and/or deliver a variety of enterprise-grade IT networking solutions 
  • 7 years of experience working with enterprise-level Cisco hardware (Catalyst, Nexus, etc.,), operating systems (IOS, NX-OS, ACI, etc.) and technologies (Voice, Video, Routing, Switching) across enterprise-grade information systems and networks. This shall include a minimum of 5 or more years of experience working with enterprise-level Cisco-based Routing and Switching technologies (i.e., BGP, EIGRP, LACP, HSRP, OSPF, PC, QoS, STP, VPC, VRF).
  • 5 years of hands-on experience in the following networking concepts: network traffic flow analysis, network management, network topology design, network security, performance, high availability, load balancing and fault tolerance architectures.
  • 5 years of experience working with secure encrypted networking devices (i.e., Taclanes and Border Guards) and communication circuits, protocols, and configurations.
  • 5 years of experience working with network-based security technologies, such as Next Generation Firewalls and Access Control Lists (ACLs) to secure network traffic at all supported layers of the OSI Reference Model.
  • 5 years of experience designing, engineering, implementing, and maintaining solutions in secure processing environments which must adhere to U.S. Government Information Assurance and Security standards.
  • Demonstrated experience providing O&M support (installation, testing, validation, sustainment, upgrading, and decommissioning) as it relates to enterprise networking devices to include switches, routers, firewalls, encryption devices, copper and fiber-based connectivity.
  • Demonstrated experience performing advanced troubleshooting techniques, methodologies, processes, and practices to quickly identify and assess an issue, develop the strategy to resolve the issue, implement the resolution, and restore the degraded entity to an operating state all while maintaining concern for the original configuration and the overall Information Security (INFOSEC) posture of the environment.
  • Demonstrated experience monitoring and assessing networking systems and solutions proactively for performance degradation, and tuning and optimization opportunities.

Education: Bachelor's degree from accredited University. If no degree is held, qualified candidates must possess one of the following certifications*. 

  • CompTIA Security CE
  • GIAC Security Essentials Certification (GSEC)
  • Systems Security Certified Practitioner (SSCP)

*Other certifications may qualify as listed in the Navy Cool Cyber IT/CSWF Workforce Model. 

 

Education and Technical Requirements:

  • Cisco Certified Network Professional (CCNP) Data Center Certified
  • Candidates must meet the Cyber IT/Cybersecurity Workforce (CSWF) SECNAV M-5239.2 requirements for this position. For more information visit: Navy Cool Cyber IT/CSWF Workforce Model.

Desired Experience/Qualifications:

  • Strongly desired to be CCNP Routing and Switch, CCNP Collaboration, and CCNP Security Certified.
  • Strong understanding of Cisco data center networking solutions, technologies, and best practices 
  • Strong understanding of Cisco local and wide area networking (LAN/WAN) solutions, technologies, and best practices 
  • Strong understanding of Cisco networking security solutions, technologies, and best practices to support the secure implementation and sustainment of enterprise network devices in line with information assurance (IA) and security (INFOSEC) compliance, governance, and requirement. 
  • Demonstrated experience in networking engineering enterprise solutions to directly support a variety of high availability, fault tolerant, disaster recovery, and continuity of operations (COOP) scenarios.
  • Demonstrated experience operating and maintaining the Riverbed Steelhead appliance product line to provide WAN Optimization and Deep Packet Inspection (DPI) throughout a globally dispersed WAN.
  • Demonstrated experience operating and maintaining Juniper Firewalls to include device installation, setup and configuration, testing, and sustainment of firewall proxy, and VPN rules.
  • Demonstrated experience operating, tuning, and troubleshooting Cisco’s Unified Communications Manager (CUCM) and TelePresence ManagemeAnt Suite (TMS), and TelePresence Video

Security Clearance

  • This position will require U.S. citizenship and an active DoD TS/SCI clearance; the ability to obtain and maintain a Counterintelligence (CI) Polygraph is required.A

Salary.com Estimation for Sr. Network Engineer - Top Secret Clearance in Springfield, VA
$106,226 to $126,342
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