Senior Infrastructure Engineer; TS​/SCI w​/Poly

Senior Infrastructure 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 highly skilled and motivated Senior Infrastructure Engineer to join a dynamic, fast-paced environment to manage, optimize, and maintain critical data center infrastructure for mission-critical operations. As an Infrastructure Engineer, you will be responsible for end-to-end data center operations, ensuring high availability, performance, and scalability across enterprise server, network, and storage systems. Qualified candidates will have demonstrated experience in leading hands-on deployments, overseeing rack installations, managing copper and fiber interconnects, and optimizing power and cooling capacity.

A current security clearance with agency-specific polygraph is strictly required for consideration.

Key Responsibilities
(Responsibilities include but may not be limited to:)

• Hardware and Network Operations

• Configure, provision, and maintain enterprise Cisco switching and firewall equipment to ensure reliable network performance and security posture

• Deploy, manage, and troubleshoot HPE and Dell server hardware across diverse operational workloads

• Oversee physical rack installations, hardware lifecycle refreshes, component replacements, and preventative maintenance schedules

• Documentation and Systems Mapping

• Author and maintain comprehensive, auditable architectural documentation, rack elevations, and physical/logical network topologies using Microsoft Visio or DrawIO

• Develop Standard Operating Procedures (SOPs), maintenance runbooks, and inventory asset tracking records for all data center assets

• Power and Cooling Capacity Planning

• Model, monitor, and optimize power allocation (kW/rack density, PDU phase balancing, UPS loading) and cooling airflow (hot/cold aisle containment, CFM distribution)

• Perform proactive capacity planning to forecast rack space, power distribution, and thermal margins for incoming hardware expansions

• Physical Infrastructure and Cabling

• Design and implement structured cabling architectures (single-mode/multi-mode fiber and Cat6/6A copper) following industry standards (TIA/EIA, BICSI)

• Ensure proper cable routing, labeling, patch panel termination, and port mapping across server racks, patch fields, and core distribution frames

• Enterprise Storage Management

• Administer high-performance storage platforms, including Dell, HPE, and Pure Storage Network Attached Storage (NAS) and associated SAN fabrics

• Monitor storage utilization, performance tiers, and latency metrics to ensure high availability, data integrity, and disaster recovery readiness

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 considered in lieu of a degree)
• 10+ years of infrastructure engineering experience with advanced architectural design of scalable, distributed systems
• 5+ years of experience with hands‑on technical responsibility operating within mission‑critical enterprise or colocation data center environments
• Effective written and verbal communication skills to work as part of a collaborative,…