System Administrator/FSR – Onsite Customer Support

VeilantTysons, VA
$88,500 - $140,000Onsite

About The Position

We are looking for a motivated System Administrator to provide direct, onsite support. This role is ideal for an early-career systems professional who enjoys being hands-on, solving technical issues directly with users, and supporting mission-critical systems in a customer-facing environment. You will serve as a key onsite technical resource supporting customer workstations, system administration activities, troubleshooting, and day-to-day operational needs. While the environment includes both Linux and Windows systems, we are looking for someone who is Linux-heavy and comfortable supporting a mixed technical environment. This is a high-visibility role where you will work directly with customer users, internal technical teams, the Network Operations Center, and engineering resources to keep systems running smoothly.

Requirements

  • Active security clearance with polygraph.
  • 2–5 years of professional system administration or technical support experience.
  • Hands-on Linux administration experience.
  • Experience administering Windows environments, including Windows 11 Pro and Active Directory. Must be comfortable managing Group Policy Objects, supporting networked printers and scanners, and using PowerShell to troubleshoot and automate tasks in secure environments with limited internet access.
  • Experience supporting Windows desktops or workstations.
  • Ability to troubleshoot technical issues across user workstations, virtual environments, peripherals, and customer-facing systems.
  • Comfortable working onsite at a customer facility five days per week.
  • Strong communication skills and the ability to interact professionally with customer users.
  • Ability to escalate issues clearly and effectively to operations or engineering teams.
  • Willingness to support a mixed environment that includes Linux, Windows, physical systems, virtual systems, printers, and VoIP phones.

Nice To Haves

  • Experience supporting mission, government, defense, or cleared customer environments.
  • Familiarity with virtual workstation environments.
  • Experience working with a Network Operations Center or engineering escalation team.
  • Basic networking knowledge.
  • Experience supporting customer-facing platforms or internal enterprise systems.
  • Strong troubleshooting mindset and willingness to learn proprietary systems.
  • HP printer and scanner experience is a plus.

Responsibilities

  • Provide onsite system administration and technical support across a range of customer technologies, including physical and virtual workstations, Linux and Windows systems, printers, VoIP phones, and internal platforms.
  • Provide daily onsite support for customer users, systems, and technical infrastructure.
  • Perform system administration tasks in a Windows & Linux-forward environment.
  • Support Windows desktops and workstations as needed.
  • Troubleshoot issues across physical workstations, virtual workstations, printers, VoIP phones, and related customer technology.
  • Support and administer our multi-mission platform, including troubleshooting problems as they arise.
  • Act as an onsite liaison between the customer, internal Network Operations Center, and engineering teams.
  • Escalate complex technical issues to the appropriate internal teams while maintaining customer communication.
  • Help ensure customer systems remain operational, responsive, and properly supported during business hours.
  • Work closely with existing onsite personnel during onboarding and transition periods.

Benefits

  • Flexible PTO + holidays
  • Generous 401k match benefit up to 10%, with an automatic 3% safe harbor contribution and additional matching based on employee contributions.
  • Medical (HSA & PPO Plans Available), dental, vision, disability, and life insurance
  • Employer Contribution to Health Savings Account (HSA)
  • Learning & Development opportunities
  • Professional coaching services
  • Get the technology you want to do your job
  • Free daily snacks & drinks
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