Cyber Security Systems Engineer (ISSE)

Socket.dev; Herndon (VA); On-site; USD 180,000 - 205,000; Full time

Job summary

BCore is seeking a Cyber Security Systems Engineer (ISSE) in Herndon, VA for a TS/SCI with Poly role. The candidate will join a mission-focused team delivering RMF/ICD-503 based accreditation across multiple A&A efforts, coordinating with ISSMs, auditors, and stakeholders to ensure secure operations.

The ideal candidate has 11+ years in ISSE, strong RMF/ICD-503 experience, and the ability to bridge technical and security language.

Qualifications

• ISSE with 11+ years of experience
• Bachelor's or Master's degrees preferred in security disciplines
• Ability to bridge technical and security languages; proficient in RMF/ICD-503 documentation
• Experience guiding systems through A&A to ATO and continuous monitoring

Responsibilities

• Support RMF and ICD-503 accreditation for A&A efforts
• Coordinate with ISSM, Security Controls Assessor, and auditors
• Translate risk elements into POA&Ms and actionable plans
• Communicate effectively in fast-paced, cross-functional teams

Skills

ISSE experience

RMF/ ICD-503

A&A process navigation

Artifact gathering

Strong communication

Independent and collaborative

Education

Bachelor's or Master's degree

Tools

Greenlight

Rapid7

WebInspect

Splunk

Job description

Overview

Cyber Security Systems Engineer (ISSE) 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 (ISSE) in Herndon, Virginia.

Responsibilities

We are seeking a talented and experienced Cyber Information Systems Security Engineer (ISSE) with a proficiency in multi-tasking, good verbal and written communications, and highly skilled in Risk Management Framework (RMF) and ICD-503 security accreditation for various assessment and authorization (A&A) efforts, to join our technology-based program supporting a key Government customer. The ideal candidate will have a deep understanding of ISSE and Cyber Security principles, excellent problem-solving skills, and a proactive approach to maintaining and optimizing the accreditation process.

Qualifications

Required Qualifications:

We are actively seeking an ISSE with a minimum of 11 years' experience. Bachelor's or Master's Degrees are preferred in one or more of the disciplines described below where specific skills may include the following:

• Ability to bridge technical and security languages for those not knowledgible
• Demonstrated skillset in security RMF and ICD-503 documentations such as contingency plan (CP)
• Ability to gather artifacts in support of controls and risk elements for closure
• Ability to take a new system through all the Assessment and Authorization (A&A) phases to Authorization to Operate (ATO)
• Ability to understand and support the Continuous Monitoring A&A phase
• Ability to communicate effectively with the ISSM, Security Controls Assessor, and Security Auditors
• Ability to take risk elements and convert to Plans of Actions and Milestones (POA&M)
• Excellent communication and interpersonal skills
• Ability to work independently and collaboratively in a fast-paced environment

Desired Qualifications:

• Ability to coordinate across organizations with leadership, project managers, and engineers to achieve requirements for ATD, IATT, and ATO
• Demonstrated skillset with security tools and reporting such as Greenlight, Rapid7, WebInspect, Splunk
• Demonstrated skillset with public / private cloud providers (AWS, Google, Azure, etc)

What you can expect from us

• The expected salary range within the Washington, DC metropolitan area is: $180,000 - 205,000. Final compensation is unique to each individual and will be determined based on factors such as experience, education, geographic location, and contractual requirements. This is not a guarantee.
• Benefits include Health/Dental/Vision, 401(k), Paid Time Off, STD/LTD/Life Insurance/Voluntary Life Insurance, Stipends, Referral Bonuses, and more.

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.