Demo

Senior Systems Engineer

B/CORE
Herndon, VA Full Time
POSTED ON 4/8/2026
AVAILABLE BEFORE 5/6/2026
Herndon, VA

TS/SCI with Poly

At Bcore, our strength comes from how we deliver impact to the mission. Whether it’s architecting critical IT solutions, producing actionable intelligence, or developing cutting edge technology, we succeed because of the expertise, collaboration, and agility of our teams. Our Mission Services division combines enterprise IT, cloud solutions, DevSecOps, systems engineering, software development, and operational support. Bcore accelerates decisive advantage for warfighters and intelligence professionals by fusing human insight, rapid-fire engineering, precision-measured outcomes, and relentless grit into mission-ready solutions.

Do you want to join a team that is building tailored technical solutions to modernize our government’s mission and our client’s business? Do you have a desire to change how people work? Are you interested in helping to protect our nation’s cyber interests? Join our growing team supporting customer missions as a Senior Systems Engineer in Herndon, Virginia.

This role will be responsible for maintaining the health, stability, and compliance of enterprise Windows workstations across all networks. The position monitors Splunk dashboards for Windows Event Log anomalies, troubleshoots issues as needed, monitors and repairs MECM/CM clients, investigates build failures, and works incident tickets to resolution. The role ensures workstation build processes remain stable and reliable while proactively identifying trends that may impact performance or user experience.

The position tests and validates task sequence updates, maintains build metrics, and develops and supports Windows OS upgrades, including engineering, scripting, testing, and coordination with partner teams. Responsibilities also include creating MECM configuration items and baselines, troubleshooting unexpected OS and application issues, developing Splunk and Tanium queries to assess the scope of workstation issues, and writing one-off remediation scripts. Additionally, the role supports Accreditation and Authorization activities and assists with GPO implementations, modifications, and issue resolution to ensure compliance and operational readiness.

Required Qualifications

This position requires a minimum of a Bachelor's degree and at least 11 years or overall IT experience. It also requires

  • Experience with troubleshooting Windows Operating System issues
  • Experience with troubleshooting third-party software issues
  • Experience with troubleshooting workstation build issues during development and testing
  • Proficiency using Microsoft Endpoint Configuration Manager (MECM)
  • Proficiency with PowerShell
  • Proficiency with Splunk
  • Experience with managing user and workstation Group Policy Objects (GPOs), with a thorough understanding of inheritance, processing order, linking, filtering, etc.


Desired Qualifications

  • Familiarity with Security Technical Implementation Guides (STIGs), and updating GPOs to align accordingly.
  • Experience with customer Accreditation and Authorization (A&A) processes.


BCore is proud to be an equal opportunity workplace. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, sexual orientation or any other characteristic protected by law.

Salary.com Estimation for Senior Systems Engineer in Herndon, VA
$127,032 to $149,081
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Senior Systems Engineer?

Sign up to receive alerts about other jobs on the Senior Systems Engineer career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$110,730 - $135,754
Income Estimation: 
$128,617 - $162,576
Income Estimation: 
$117,033 - $148,289
Income Estimation: 
$171,018 - $218,368
Income Estimation: 
$146,514 - $195,399
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at B/CORE

  • B/CORE Herndon, VA
  • Systems Engineer Herndon, VA TS/SCI with Poly At Bcore, our strength comes from how we deliver impact to the mission. Whether it's architecting critical IT... more
  • 10 Days Ago

  • B/CORE Herndon, VA
  • Herndon, VA TS/SCI with Poly At Bcore, our strength comes from how we deliver impact to the mission. Whether it’s architecting critical IT solutions, produ... more
  • 10 Days Ago

  • B/CORE Fairfax, VA
  • Information Systems Security Engineer Tysons, VA TS/SCI with Poly At Bcore, our strength comes from how we deliver impact to the mission. Whether it's arch... more
  • 15 Days Ago

  • B/CORE Chantilly, VA
  • Systems Engineer Chantilly, VA TS/SCI with Poly At Bcore, our strength comes from how we deliver impact to the mission. Whether it's architecting critical ... more
  • 15 Days Ago


Not the job you're looking for? Here are some other Senior Systems Engineer jobs in the Herndon, VA area that may be a better fit.

  • Systems Engineer - Senior #2037 - COMPASS, Inc. Springfield, VA
  • Compass is looking for a motivated individual to provide operational services to the Intelligence Community. Our goal is to hire talented and passionate te... more
  • 10 Days Ago

  • Odyssey Systems Fort Belvoir, VA
  • Position Summary Odyssey Systems is seeking a Senior Systems Engineer to support advanced situational awareness and multi-domain operations (MDO) programs.... more
  • 15 Days Ago

AI Assistant is available now!

Feel free to start your new journey!