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Systems Support Specialist


Job Location:

Arlington County, VA - USA

Monthly Salary: Not provided by the employer
Posted: 1 October 2026 (16 hours ago)
Application Deadline: 29 December 2026
Vacancies: 1 Vacancy

Job Summary

Immediate opening for a System Support Specialist in Northern Virginia.  This role partners directly with customers to maintain troubleshoot and support 911 workstations servers applications networks and communications equipment.

The ideal candidate should have a strong foundation in information technology proven troubleshooting capabilities and the ability to work independently at customer site. This position requires sound judgment in diagnosing and resolving routine technical issues as well as timely escalation of complex matters to senior engineering and support personnel.

Responsibilities

  • Provide onsite technical support for systems and related IT infrastructure.
  • Troubleshoot and resolve issues involving workstations servers applications network connectivity and communications equipment.
  • Install configure update and maintain Windows workstations and servers.
  • Perform routine system maintenance software updates and configuration changes.
  • Assist with troubleshooting basic network and VoIP connectivity issues.
  • Monitor system performance and identify potential issues before they impact operations.
  • Work with remote engineering and support teams to resolve more complex problems.
  • Perform onsite troubleshooting and collect system logs and technical information when escalation is required.
  • Maintain accurate records of system changes troubleshooting activities and repairs.
  • Document technical procedures and solutions.
  • Provide professional and timely communication with customers and internal support teams.
  • Assist with system testing upgrades and new equipment installations.
  • Follow established cybersecurity system security and configuration management procedures.
  • Assist with security requirements including STIGs security scans and required remediation.
  • Maintain a professional working relationship with customers vendors and internal teams.
  • Participate in scheduled after-hours or on-call support as required.

Qualifications :

Required Knowledge and Skills

  • Working knowledge of Windows operating systems and common IT applications.
  • Understanding of basic networking concepts including TCP/IP DNS DHCP and IP addressing.
  • Ability to troubleshoot hardware software network and connectivity problems.
  • Basic understanding of Ethernet switches and network connectivity.
  • Basic understanding of VoIP and SIP communications.
  • Strong troubleshooting and problem-solving skills.
  • Ability to work independently and manage onsite support responsibilities.
  • Strong written and verbal communication skills.
  • Ability to clearly document technical issues and corrective actions.
  • Ability to work professionally with customers vendors and technical teams.
  • Proficiency with Microsoft Word Excel and other standard Microsoft applications.

Preferred Knowledge and Skills

  • Experience supporting 911 PSAP public safety or other mission-critical systems.
  • Experience supporting Windows Server environments.
  • Experience with virtual machines and virtualized environments.
  • Familiarity with Cisco networking equipment.
  • Familiarity with VLANs and basic network troubleshooting.
  • Basic knowledge of VoIP SIP and RTP.
  • Experience using Wireshark or similar network troubleshooting tools.
  • Familiarity with DoD STIGs vulnerability scanning RMF or other cybersecurity requirements.
  • Experience working in federal environment.

Security Requirements

  • U.S. Citizenship is required to support this customer.
  • Active Secret clearance.
  • CompTIA Security CE certification 

Additional Information :

Only qualified candidates will be contacted.  Be sure to keep an eye on your spam or junk folders in case our emails end up in there!  Please no phone calls directly to our business CEO hiring managers or recruiters. Due to the high volume of applicants we typically receive for our career openings we are not able to do phone interviews until later stages of the hiring process.

Toomey Technologies is an equal opportunity employer.  All qualified applicants will receive consideration for employment without regard to race religion gender disability age or veteran status.


Remote Work :

No


Employment Type :

Full-time


About Company

Founded in 2017 and headquartered in Manassas, Virginia, Toomey Technologies is a SBA certified HUBZone, and Woman Owned Small Business experienced in Program Management and Solution Implementation support services. We are a proven small business with an established track record and r ... View more

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