Information Systems Security Engineer (ISSE)

Next Tier Concepts; Reston (VA); On-site; USD 100,000 - 130,000; Full time

Job summary

A technology solutions firm located in Reston, Virginia is seeking an Information Systems Security Engineer to manage and enhance the security posture of cloud environments. This role involves leading security accreditation efforts, conducting risk assessments, and adhering to industry standards. Candidates should have 5+ years of relevant experience, with a strong background in managing security programs and tools like Jira and GreenLight. Joining this innovative team means engaging in critical mission-driven projects in the national security sector.

Benefits

Competitive benefits

Professional growth opportunities

#NTC_GivesBack initiatives

Qualifications

• 5+ years of experience demonstrating and maintaining security posture of cloud environments.
• Experience managing security accreditation projects under the ICD503 Rev. 4 framework.
• Knowledge of Risk Management Framework (RMF) and all security relevant documentation.

Responsibilities

• Ensure solutions adhere to security guidelines and industry best practices.
• Maintain security posture of cloud environments.
• Conduct complex risk and vulnerability assessments.

Skills

Cloud security posture management

Agile methodologies

Cybersecurity risk assessment

Tools

Jira

Confluence

GreenLight

Job description

Position Title: Information Systems Security Engineer (ISSE)

Type: Full-time, temporary position.

We are seeking an Information Systems Security Engineer to join our team. Working at NT Concepts means that you are part of an innovative, agile company dedicated to solving the most critical challenges in National Security.

If meaningful work, initiative, creativity, and continuous self‑improvement are important to your career, join our growing team and discover What's Next for you.

Mission Focus: As a Senior Security Engineer on our solutions delivery team, you will have the unique opportunity to work on innovative projects advancing the digital transformation of critical government systems with true mission impact.

Clearance: TS/SCI with Poly

Location/Flexibility: Reston, VA

Responsibilities:

• Ensures that solutions adhere to customer security guidelines, requirements, and industry best practices
• Maintains security posture of customer cloud environments
• Leads authorization and accreditation efforts in support of customer applications
• Drafts and maintains security and contingency plans and conducts complex risk and vulnerability assessments
• Analyzes policies and procedures against Federal laws and regulations and provides recommendations for closing gaps
• Develops and completes system security plans and contingency plans
• Recommends system enhancements to improve security deficiencies
• Conducts security program audits and develops solutions to lessen identified risks
• Provides information assurance support for the development and implementation of security architectures to meet new and evolving security requirements

Qualifications:

• Clearance: TS/SCI with Poly
• 5+ years of experience demonstrating and maintaining security posture of cloud environments
• Experience managing the full lifecycle of, and workflows for, security accreditation projects under the ICD503 Rev. 4 framework
• Knowledge of the Risk Management Framework (RMF), system security system plans (SSP), and all security relevant documentation for computer systems and applications
• Knowledge in cybersecurity best practices and security risk assessment technologies
• Experience using knowledge and project management tools in an Agile working environment, e.g., Jira, Confluence, etc.
• Experience using Authorization and Accreditation tools, such as GreenLight

Keys to Success:

• Demonstrated ability to effectively engage with Sponsor Information System Security Managers (ISSMs) to ensure security compliance of systems
• Experience obtaining IC reciprocity for at least one security accreditation project

Physical Requirements:

• Prolonged periods of sitting at a desk and working on a computer
• Must be able to lift 10-15 pounds at times.

About NT Concepts

Founded in 1998 and headquartered in the Washington DC Metro area, NT Concepts is a private, mid‑tier company with clients spanning the Intelligence and Defense communities. We deliver end‑to‑enddata and technology solutionsthat advance the modernization, transformation, and automation of the national security missionsolutions with real impact developed in a strong engineering culture that encourages technical growth, leadership, and creative big idea problem‑solving.

Employees are the core of NT Concepts. We understand that world‑changing concepts happen in collaborative environments. We are a company where talented teams work together using innovation and expertise to solve our clients most critical challenges. Here, you’ll gain competitive benefits, opportunities to bolster your skills and develop new abilities, and a company culture dedicated to support and service. In addition to our benefits program, we encourage our employees to take part in #NTC_GivesBack, which paves the way for positive social change.

If joining a stable company with strong professional growth opportunities resonates with you, and you seek vital, mission‑driven projects (for some pretty cool clients) that use your specific talents, we’d love to have you move forward with us.

NT Concepts is committed to hiring and retaining a diverse workforce.

We are proud to be an Equal Opportunity/Affirmative Action (Minorities/Female/Individuals With Disabilities/Protected Veterans), VEVRRA Federal Contractor.

Contact us if you need a reasonable accommodation for any part of the employment process. All resumes are held in confidence. NT Concepts participates in E‑Verify.