Network Engineer (TS/SCI w/ Poly)

JTEC Consulting, LLC; Chantilly (VA); On-site; USD 120,000 - 150,000; Full time

Job summary

JTEC Consulting LLC seeks a Network Engineer (TS/SCI w/ poly) to support the enterprise data center network infrastructure in Chantilly, VA. The role blends hands-on engineering with strategic optimization to modernize the customer’s hybrid cloud platform.

Qualified candidates will demonstrate mastery of Cisco IOS/NX-OS, data center operations, and complex routing. 100% on-site work with relocation consideration for non-local candidates is offered.

Qualifications

• U.S. citizenship required
• Current TS/SCI with agency-specific polygraph required for consideration
• Bachelor’s degree in Computer Science, Information Systems, or related technical discipline (equivalent years of direct experience may be considered in lieu of a degree)
• 5+ years of hands-on experience configuring and administering Cisco IOS and/or Cisco NX-OS in enterprise data centers
• Effective written and verbal communication skills in a collaborative, cross-functional team

Responsibilities

• 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 Layer 2 and 3 architectures, VLANs, OSPF, BGP, EIGRP, and ACLs
• Security and Compliance: Implement and uphold robust network security policies and perimeter controls
• Hybrid Cloud Transformation: Collaborate with agile teams to integrate on-premise networking with hybrid cloud architectures
• Optimization and Performance Tuning: Monitor network health, diagnose bottlenecks, and tune configurations for traffic efficiency
• Implementation and Deployment: Lead hardware provisioning, baseline configurations, OS upgrades, and rollout of new network solutions
• Documentation and Standards: Maintain topology diagrams, SOPs, and change-management docs

Skills

Cisco IOS

Cisco NX-OS

Data center networking

Routing protocols

Network security

Agile/Scrum

Education

Bachelor’s degree in Computer Science/Information Systems or related

Tools

Cisco IOS

Cisco NX-OS

Job description

Network Engineer (TS/SCI w/ Poly)
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.

Key Responsibilities
(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

Education and Qualifications:

• U.S. citizenship
• 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

Core Technical 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

Preferred Qualifications:

• 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 ExpressRoute) and network automation scripting (Python, Ansible)
• Certifications:Active Cisco certifications (CCNP Enterprise, CCNP Data Center, or CCIE) are highly desirable

JTEC Consulting LLC provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.

Salary:
JTEC offers competitive compensation and benefits to all employees. Salary ranges are advertised based on good faith estimates at the time of posting and indicating pay that JTEC anticipates for successful applicants. The estimated salary range displayed in this posting is dependent upon position requirements, individual qualifications, education, experience, location, and other job‑related factors. Our recruiting team will review candidates’ related experience and desired salary targets during the evaluation process. All qualified candidates will be considered.