Technical Subject Matter Expert - TS/SCI Poly

Posted 3 Days Ago
Be an Early Applicant
Quantico, VA, USA
In-Office
112K-196K Annually
Senior level
Information Technology • Security • Cybersecurity
The Role
Provide technical design, deployment, and sustainment of secure, policy-compliant virtual infrastructure for government-directed operations. Tasks include configuring VPNs, proxies, remote access nodes, routing, DNS, monitoring, patching, troubleshooting, documentation, and coordinating with cross-functional teams to maintain operational availability and cybersecurity controls.
Summary Generated by Built In
In a world of possibilities, pursue one with endless opportunities. Imagine Next!

 

At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what’s possible.

 

Job Description:

The Technical Subject Matter Expert provides technical support for government-directed virtual operations requiring secure, scalable, and policy-compliant infrastructure. This role supports the design, configuration, deployment, monitoring, and sustainment of capabilities used to enable global virtual access, operational resilience, and infrastructure abstraction in accordance with applicable law, policy, and contractual requirements.

The ideal candidate has experience with secure network architecture, proxy and relay infrastructure, virtualized environments, cloud-hosted services, traffic management, identity separation measures, and operational support in controlled government environments. This role works closely with engineers, analysts, operators, cybersecurity personnel, and program leadership.

What You'll Be Doing:

  • Design, build, configure, and maintain infrastructure supporting authorized virtual operations
  • Deploy and sustain virtual private servers, remote access nodes, proxy layers, routing solutions, and segmented environments
  • Support network configurations including VPNs, gateways, DNS management, traffic routing, and secure remote connectivity
  • Ensure systems operate in accordance with cybersecurity controls, government policies, contract requirements, and operational approval frameworks
  • Perform system health checks, logging review, performance tuning, patching, and lifecycle maintenance
  • Diagnose and resolve network, infrastructure, access, latency, and service delivery issues across distributed environments
  • Create and maintain technical documentation, standard operating procedures, architecture diagrams, and configuration baselines
  • Coordinate with cross-functional teams including program managers, cyber defenders, system administrators, and mission stakeholders
  • Identify technical risks, infrastructure weaknesses, and operational constraints; recommend mitigations
  • Provide technical guidance and user support for approved personnel leveraging services

What Required Skills You'll Bring:

  • Bachelor’s degree in Computer Science, Information Technology, Cybersecurity, Engineering, or related field; equivalent experience may be substituted
  • Minimum 7+ years of relevant technical experience in network engineering, systems administration, cyber infrastructure.
  • Experience with virtual infrastructure, cloud platforms, proxy technologies, secure routing, and remote access solutions
  • Knowledge of TCP/IP networking, DNS, VPNs, firewalls, NAT, and segmentation principles
  • Experience administering Linux and/or Windows systems in enterprise or mission environments
  • Familiarity with logging, monitoring, configuration management, and infrastructure hardening
  • Ability to troubleshoot distributed technical environments and maintain service availability
  • Experience working in classified, regulated, or government-controlled operational settings preferred
  • Strong written and verbal communication skills
  • Ability to work independently and within a team under mission-driven timelines

What Desired Skills You'll Bring:

  • Experience supporting infrastructure abstraction or identity-separated technical environments for government customers
  • Familiarity with virtualization technologies such as VMware, KVM, VirtualBox, or containerized services
  • Experience with commercial cloud and hosting providers in secure, compliant architectures
  • Knowledge of scripting or automation using Bash, PowerShell, Python, or similar languages
  • Understanding of operational security, auditing, access control, and multi-layered technical risk reduction
  • Relevant certifications such as Security+, Network+, CySA+, CEH, CISSP, CCNA, or comparable credentials
  • Prior experience supporting federal, defense, intelligence, or law enforcement contracts

Security Clearance Requirement:

An active Top Secret SCI w/Polygraph security clearance is required for this position.​

This position is part of our Federal Solutions team.

The Federal Solutions segment delivers resources to our US government customers that ensure the success of missions around the globe. Our intelligent employees drive the state of the art as they provide services and solutions in the areas of defense, security, intelligence, infrastructure, and environmental. We promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation's most critical assets, from Earth to cyberspace. Throughout the company, our people are anticipating what’s next to deliver the solutions our customers need now.

Salary Range: $112,200.00 - $196,400.00

We value our employees and want our employees to take care of their overall wellbeing, which is why we offer best-in-class benefits such as medical, dental, vision, paid time off, 401(k), life insurance, flexible work schedules, and holidays to fit your busy lifestyle!

Parsons is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, veteran status or any other protected status.

We truly invest and care about our employee’s wellbeing and provide endless growth opportunities as the sky is the limit, so aim for the stars! Imagine next and join the Parsons quest—APPLY TODAY!

Parsons is aware of fraudulent recruitment practices. To learn more about recruitment fraud and how to report it, please refer to https://www.parsons.com/fraudulent-recruitment/.

Skills Required

  • Bachelor's degree in Computer Science, IT, Cybersecurity, Engineering, or related field (or equivalent experience)
  • Minimum 7+ years relevant technical experience in network engineering, systems administration, or cyber infrastructure
  • Experience with virtual infrastructure, cloud platforms, proxy technologies, secure routing, and remote access solutions
  • Knowledge of TCP/IP networking, DNS, VPNs, firewalls, NAT, and segmentation principles
  • Experience administering Linux and/or Windows systems in enterprise or mission environments
  • Familiarity with logging, monitoring, configuration management, and infrastructure hardening
  • Ability to troubleshoot distributed technical environments and maintain service availability
  • Strong written and verbal communication skills
  • Ability to work independently and within a team under mission-driven timelines
  • Active Top Secret SCI with Polygraph security clearance
  • Experience working in classified, regulated, or government-controlled operational settings
  • Experience with virtualization technologies (VMware, KVM, VirtualBox) and containerized services
  • Experience with commercial cloud and hosting providers in secure, compliant architectures
  • Knowledge of scripting or automation using Bash, PowerShell, Python, or similar languages
  • Relevant certifications (Security+, Network+, CySA+, CEH, CISSP, CCNA, or comparable)
  • Prior experience supporting federal, defense, intelligence, or law enforcement contracts

Parsons Corporation Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Parsons Corporation and has not been reviewed or approved by Parsons Corporation.

  • Retirement Support Retirement programs are framed as a major value driver, with an ESOP alongside a 401(k) match and additional stock-purchase options contributing meaningfully to total rewards. This structure is positioned as especially attractive for employees who value long-term wealth-building over immediate cash.
  • Healthcare Strength Health coverage is described as broad and choice-rich, with multiple plan types (PPO, HDHP, and some HMO networks) plus dental, vision, EAP, and wellness resources. The availability of different plan designs and national-carrier coverage supports varied employee needs.
  • Leave & Time Off Breadth Time-off offerings are portrayed as competitive, including PTO, holidays, flexible schedules such as a 9/80 option for eligible roles, and floating holidays in the U.S. Paid parental leave of 160 hours is also highlighted as a meaningful component of the overall package.

Parsons Corporation Insights

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The Company
HQ: Centreville, VA
14,420 Employees
Year Founded: 1944

What We Do

Parsons is a digitally enabled solutions provider with a focus on making the world safer, smarter, healthier, more sustainable, and more connected. Founded in 1944, Parsons primarily serves the defense, security, and infrastructure markets. Uniquely qualified to deliver cyber/converged security, technology-based intellectual property, and other innovative services, the corporation delivers state-of-the-art solutions to federal, regional, and local government agencies as well as to private industrial customers worldwide. Parsons has a reputation for inclusion and diversity and has been named to the Ethisphere Institute’s list of World’s Most Ethical Companies for 10 consecutive years. Parsons facilitates a culture of innovation by encouraging collaboration among its employees and providing opportunities for career growth. With offices around the globe, people of varied talents and backgrounds, and a wide range of exciting projects, the possibilities at Parsons are endless. For more about Parsons, visit www.parsons.com. Mission: Delivering innovative infrastructure, defense, and security solutions to enable a more sustainable, safer, smarter, and more connected world.

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