Senior Infrastructure Engineer (TS/SCI w/ Poly)

JTEC Consulting; Chantilly (VA); On-site; USD 140,000 - 170,000; Full time

Job summary

JTEC Consulting is seeking a Senior Infrastructure Engineer to manage and optimize mission-critical data center infrastructure in Chantilly, VA. The role requires hands-on leadership, end-to-end operations, and a current TS/SCI with poly clearance for consideration.

You will oversee hardware, network, and storage systems, coordinate rack installations, cabling, power, and cooling, and produce auditable architectural documentation. The position is on-site with relocation support where needed.

Qualifications

• Bachelor’s degree in a technical discipline required; equivalent experience considered
• 10+ years of infrastructure engineering experience in enterprise or data center environments
• Strong written and verbal communication and team collaboration skills

Responsibilities

• Configure, provision, and maintain Cisco switches and firewalls for reliable network performance and security.
• Deploy, manage, and troubleshoot Dell, HPE server hardware across diverse workloads.
• Oversee rack installations, hardware lifecycle refreshes, replacements, and maintenance schedules.
• Document architectural diagrams, rack elevations, and network topologies using Visio or DrawIO.
• Develop SOPs, runbooks, and asset tracking for data center assets.
• Model and optimize power distribution and cooling for rack density and margins.
• Design structured cabling architectures (fiber and copper) and ensure proper labeling and patching.
• Manage NAS/SAN storage platforms and monitor performance and latency to ensure availability.

Skills

Network operations

Server hardware management

Storage management

Education

Bachelor’s degree in Computer Science or related field

Tools

Visio

DrawIO

Job description

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
• Administer high-performance storage platforms, including Dell, HPE, and PureStorage 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:

• 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, cross-functional team

Technical Requirements:

• Demonstrated expertise in deploying, configuring, and maintaining enterprise-grade HPE and Dell server hardware
• Proven ability to configure and troubleshoot Cisco switches, routers, and firewalls
• Direct administrative experience with enterprise storage solutions, specifically Dell, HPE, and PureStorage NAS/SAN arrays
• Strong understanding of data center environmental dynamics, including power distribution units (PDUs), circuit requirements, and HVAC/cooling capacity calculations
• Practical proficiency with structured fiber optic (LC, MPO) and copper patching, testing, and cable plant management
• Proficiency in generating detailed rack layouts, port-to-port mappings, and network diagrams utilizing Visio, DrawIO, or equivalent tools

Preferred Qualifications:

• Industry certifications such as Cisco Certified Network Associate (CCNA/CCNP), CompTIA Server+, BICSI Installer/Technician, or Certified Data Center Management Professional (CDCMP)
• Experience with Data Center Infrastructure Management (DCIM) tools and environmental monitoring systems (SNMP/BMS)
• Prior background supporting cleared environments or federal government mission systems

#CJ
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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.