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Cyber Security Systems Engineer (ISSE)

B/CORE
Herndon, VA Full Time
POSTED ON 5/24/2026
AVAILABLE BEFORE 6/24/2026
Cyber Security 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 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 Cyber Security Systems Engineer in Herndon, Virginia.

Required Qualifications

We are actively seeking an Information Systems Security Engineer (ISSE) with a minimum of 11 years' experience with a Bachelor's Degree. Other degrees will be considered with the year's experience adjusted to accommodate. We are looking for a candidate with specific skills that may include the following

  • Implementation and validation of security controls that support the Risk Management Framework (RMF) and ICD 503 Security Accreditation
  • Developing architecture documentation and Systems Security Plans (SSP) to support Accreditation and Authorization (A&A) reviews
  • POA&M development and implementation
  • Coordinating with customer security organizations to achieve Authority to Operate (ATO).
  • Knowledge of the complex environment involving shared networks and multiple security enclaves
  • Engineering for Cyber engineering and integration services including security, authentication, identity management, authorization, and access control engineering.
  • Self-starter able to work independently and build relationships with technical reps across divisions, comfortable with cyber security and able to brief issues to the customer
  • Over 5 years of experience working on Government Agency enterprise infrastructure and engineering programs.


Desired Qualifications

  • Nessus / Rapid7
  • Security Development and Operations (SecDevOps)
  • Various security tools and processes such as Splunk, Nessus Security Center, WebInspect, Xacta
  • Cloud security controls and implementation
  • STIG compliance and vulnerability management
  • CISSP
  • AWS Certified Security Specialty
  • Microsoft Office365
  • Experience in one or more software products associated with cyber system engineering for data analytics including SQL security, TANIUM Endpoint Management Software, Powershell, MacAfee, App Blocker, Splunk ITSI.
  • Experience with one or more software development environments supporting commercial or open source tools including but not limited to Linux, Python, C, Bash Scripting, Perl, SQL, Splunk Phantom, UBA, and UIPath
  • Experience in one or more cloud computing services and technologies including but not limited to AWS/C2S, Microsoft Azure, Nutanix, VMware


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 Cyber Security Systems Engineer (ISSE) in Herndon, VA
$168,932 to $208,792
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