Network Engineer; TS/SCI w/Poly
Listed on 2026-10-26
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IT/Tech
Systems Engineer, Network Engineer, Cybersecurity, Cloud Computing: Infrastructure & Operations
Chantilly, VA 20151
JTEC Consulting LLC focuses on successfully delivering solutions to meet our clients’ most critical needs. Our founding members have decades of experience delivering a wide range of solutions to Air Force and DoD clients. We are a Veteran-Owned Small Business dedicated to bridging complex operational challenges with modern data solutions.
Security Clearance:Current TS/SCI with polygraph
Location
Note:
100% On-Site
Relocation:Relocation support for candidates outside the commuting area will be considered
Position
Description:
JTEC Consulting is seeking a
Network Engineer to support engineering, maintaining, and securing enterprise data center network infrastructure in a mission-critical environment. This Network Engineer will be an essential contributor within an Agile delivery framework blending hands-on engineering with strategic optimization to support the modernization of the customer’s hybrid cloud platform. Qualified candidates will demonstrate a deep technical mastery of Cisco switching and routing platforms and have the initiative to drive operational excellence autonomously and collaboratively.
A current security clearance with agency-specific polygraph is strictly required for consideration.
(Responsibilities include but may not be limited to:)
- Data Center Operations: Manage, configure, and maintain mission-critical data center network infrastructure running Cisco IOS and Cisco NX-OS platforms
- Network Segmentation and Routing: Design, deploy, and troubleshoot complex Layer 2 and Layer 3 architectures, including VLANs, advanced routing protocols (OSPF, BGP, EIGRP), and access control lists (ACLs)
- Security and Compliance: Implement and uphold robust network security policies, segmentation, and perimeter controls across secure environments
- Hybrid Cloud Transformation
:
Collaborate with agile cross-functional engineering teams to integrate on-premises data center networking with hybrid cloud architectures - Optimization and Performance Tuning: Monitor network health, diagnose throughput and latency bottlenecks, and execute configuration tuning to optimize network traffic processing
- Implementation and Deployment: Lead hardware provisioning, baseline configurations, operating system upgrades, and rollout of new network solutions with minimal service disruption
- Documentation and Standards
:
Maintain comprehensive network topology diagrams, standard operating procedures (SOPs), and change-management documentation
Qualifications:
- Current TS/SCI with agency-specific polygraph required for consideration
- Bachelor’s degree in Computer Science, Information Systems, or a related technical discipline (equivalent years of direct experience may be considered in lieu of a degree)
- 5+ years of dedicated hands-on experience configuring and administering Cisco IOS and/or Cisco NX-OS within enterprise data center environments
- Effective written and verbal communication skills to work as part of a collaborative, cross-functional team
Competencies:
- Demonstrated expertise in configuring and troubleshooting VLANs, trunking, subnets, and inter-VLAN routing
- In-depth practical knowledge of dynamic routing protocols and network security implementations
- Demonstrated track record leading enterprise Cisco implementations, infrastructure migrations, and network operations management
- Experience working within Agile/Scrum delivery models
- Demonstrated ability to troubleshoot issues independently while partnering effectively with multidisciplinary systems, cloud, and security teams
- Data Center Architecture: Direct experience configuring Top-of-Rack (ToR) switch deployments and data center fabric topologies
- Storage Networking: Familiarity with Storage Area Network (SAN) configuration, including Fibre Channel, FCoE, or iSCSI environments
- Cloud and Automation: Exposure to hybrid cloud connectivity (AWS Direct Connect, Azure Express Route) and network automation scripting (Python, Ansible)
- Certifications: Active Cisco certifications (CCNP Enterprise, CCNP Data Center, or CCIE) are highly desirable
#CJ
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JTEC Consulting LLC provides equal employment opportunities to all employees and applicants for…
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