*Top Secret* Sr Infrastructure Engineer

TEKsystems; Richardson (TX); On-site; USD 113,652 - 161,868; Part time

Benefits offered by this job

Medical, dental & vision

401(k) Retirement Plan

Life Insurance

Disability

HSA

Transportation benefits

Employee Assistance Program

PTO

Job summary

TEKsystems seeks an experienced Infrastructure Engineer to lead end‑to‑end VMware ESXi/VCF stack deployments and NSX‑T/V integration in a DoD‑aligned environment.

The role requires a TS/SCI‑adjacent set of qualifications, with design of rack layouts, STIG enforcement, and RMF documentation experience. On‑site work in Richardson, TX, is expected with a July 31, 2026, deadline.

Qualifications

• 7–10+ years in enterprise infrastructure engineering with VMware depth.
• Demonstrated expertise with VCF, ESXi, vCenter, vSAN, NSX.
• Strong knowledge of DISA STIGs and host profile enforcement.

Responsibilities

• Lead end‑to‑end build and lifecycle management of VMware ESXi/VCF stack environments.
• Architect and integrate NSX‑T/NSX‑V network virtualization solutions.
• Design rack topology and data center infrastructure for high availability.

Skills

VMware virtualization

DISA STIGs

RMF/NIST 800-53

Leadership/mentoring

Security clearance knowledge

Education

Bachelor's degree in CS/IT

DoD 8570/8140 IAT Level II/III cert

Tools

VMware Cloud Foundation (VCF)

ESXi

vCenter

vSAN

NSX

PowerCLI

Ansible/Terraform

Job description

This position requires an active DoD Clearance (Top Secret, Top Secret/SCI). U.S. Citizenship is required.

Responsibilities

• Lead end‑to‑end build and lifecycle management of VMware ESXi/VCF stack environments, including vCenter, vSAN, and vSphere clusters
• Architect and integrate NSX‑T/NSX‑V network virtualization solutions, including micro‑segmentation, distributed firewalling, and overlay networking
• Design rack topology and physical infrastructure layouts to support high‑availability, mission‑critical workloads in data center and tactical environments
• Develop, enforce, and maintain STIG‑compliant host profiles across virtualization layers in accordance with DISA requirements
• Collaborate with cybersecurity and compliance teams to support ATO processes, RMF documentation, and continuous monitoring requirements
• Serve as a technical lead and subject matter expert, mentoring junior engineers and providing guidance on architecture decisions
• Evaluate emerging technologies and recommend infrastructure improvements aligned with program roadmaps and customer requirements
• Produce and maintain technical documentation including architecture diagrams, SOPs, and configuration baselines

Qualifications

• 7–10+ years of hands‑on experience in enterprise infrastructure engineering, with significant depth in VMware virtualization environments
• Demonstrated expertise with VMware Cloud Foundation (VCF), ESXi, vCenter, vSAN, and NSX
• Strong working knowledge of DISA STIGs and host profile enforcement across virtualized infrastructure
• Experience designing physical rack topologies and data center infrastructure for enterprise or government programs
• Familiarity with RMF, NIST 800‑53, and the ATO process in a DoD or IC environment
• Active Top Secret security clearance required; TS/SCI eligibility strongly preferred
• VMware certifications (VCP, VCAP, or VCDX) a plus
• Experience with automation and infrastructure‑as‑code tools (Ansible, Terraform, PowerCLI) preferred
• Prior experience supporting classified programs in a DoD, IC, or cleared defense contractor environment
• Familiarity with tactical or deployed infrastructure environments
• Bachelor’s degree in Computer Science, Information Technology, or related field; equivalent experience considered
• DoD 8570/8140 IAT Level II or III certification (Security+, CASP+, CISSP, or equivalent)

Benefits

• Medical, dental & vision
• Critical Illness, Accident, and Hospital
• 401(k) Retirement Plan – Pre‑tax and Roth post‑tax contributions available
• Life Insurance (Voluntary Life & AD&D for the employee and dependents)
• Short and long‑term disability
• Health Spending Account (HSA)
• Transportation benefits
• Employee Assistance Program
• Time Off/Leave (PTO, Vacation or Sick Leave)

Location & Employment

Contract position based out of Richardson, TX. Fully onsite. Application Deadline: Position anticipated to close on July 31, 2026. Salary: $100.00–$100.00/hr.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.