Demo

Sr. Network Engineer

Concept Plus, LLC
Silver, MD Full Time
POSTED ON 12/24/2025
AVAILABLE BEFORE 1/22/2026
About Concept Plus

Concept Plus is a mission-focused technology solutions provider that transforms IT concepts into impactful solutions for federal agencies. Headquartered in Fairfax, VA, we bring the agility, responsiveness, and customer intimacy of a small business combined with the quality and infrastructure of a larger firm.

Recognized as an award-winning Oracle partner, we have delivered innovative solutions across Defense, Intelligence, Civilian, Health IT, and Tribal sectors. Our highly certified experts build systems that drive efficiency, accelerate modernization, and ensure mission outcomes with certainty.

We offer competitive pay, comprehensive health, dental, and vision insurance, paid life insurance, paid time off, 11 paid holidays, performance bonuses, tuition reimbursement, unlimited training, and the opportunity to thrive in a collaborative, flexible, and innovative environment.

For more information, visit www.conceptplus.com.

About The Role

Concept Plus is seeking a Sr. Network Engineer to manage, coordinate, and perform many aspects of network analysis of needs and services and participates in operations and administration of LAN/WAN infrastructure. This individual will participate in designing solutions, planning, and executing new implementations, working out new product integration and recommending LAN/WAN improvements. They will develop and deploy plans and designs of network systems that will meet an organization's requirements for performance, security, and compliance with relevant standards and regulations. This individual must have hands-on experience in supporting Cisco ISE and Firepower appliances, routing and switching, and strong Oracle and/or Google Cloud environment experience. This role requires an on-site presence in Silver Spring, Maryland at least three days per week.

What You'll Do

  • Proactively identify, diagnose, troubleshoot issues, and develop solutions to implement on customer networks.
  • Manage and solve Tier 1 through Tier 3 issues
  • Resolve assigned trouble tickets
  • Cloud networking and support (GCP and OCI environments)
  • Direct and frequent experience with ISE/DNAC is a requirement
  • IPv6 security, configuration, and troubleshooting

Qualifications

  • US Citizen with active public trust clearance (or qualified to receive one)
  • 6 years of experience in the design of hybrid enterprise networks
  • Experience with any of the following cloud technologies: OCI/GCP/AWS
  • Good understanding and practical experience with routing protocols (EIGRP, OSFP, and BGP)
  • Good understanding and practical experience with switching technologies (EtherChannel, Port Security, 802.1X, MAB)
  • Familiarity with Network Security Technologies like ISE, Zero Trust, and firewalls
  • Proficient with IP Routing Protocols (OSPFv3, OSPFv2, BGP,), QoS, Multicast, MPLS
  • Proficient in VPN technologies - Remote Access and Site-to-Site VPNs
  • CCIE in Routing and Switching, and/or CCNP with deep expertise in Cisco ISE deployments within enterprise environments required.
  • IPv6 security, configuration, and troubleshooting experience

Concept Plus is an Affirmative Action/Equal Opportunity Employer. As such, we will give your application full consideration without regard to your race, color, religion, sex, age, national origin, disability, veteran status, sexual orientation, gender identity, or any other classification protected by federal, state, or local law.

Salary.com Estimation for Sr. Network Engineer in Silver, MD
$112,593 to $132,635
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