Senior ISSE (TS/SCI) – RMF & Security Architecture Lead

J&T Business Consulting; Annapolis (MD); On-site; USD 80,000 - 150,000; Full time

Benefits offered by this job

Health Insurance

401(k) Retirement Plan

Tuition Reimbursement

Paid Time Off

Job summary

J&T Business Consulting is seeking a Senior Information Systems Security Engineer (ISSE) to support large-scale, mission-critical systems across a complex, distributed network environment in Annapolis Junction, MD.

You will validate system security requirements, design robust architectures, perform vulnerability assessments, and collaborate with engineering, test, and agile teams to ensure compliance and a resilient operational security posture.

Qualifications

• Active TS/SCI with Polygraph clearance required.
• Minimum 12 years of ISSE experience on large programs.
• DoD 8570/8140 IASAE Level 2 or 3 certification preferred.

Responsibilities

• Validate and establish system security designs, architectures and requirements for major components and interfaces.
• Lead RMF-based security planning, risk assessments, control evaluations, continuous monitoring, and authorization activities.
• Perform vulnerability testing, scanning, auditing and assessment using tools like Nessus, NMAP and Wireshark.
• Collaborate with engineering and agile teams to define security requirements for new capabilities.
• Plan and conduct security verification testing for Type 1 devices.
• Formulate and enforce information systems security policies and baselines.
• Evaluate security impact of new deployments and drive end-to-end remediation.
• Advise Program Managers and stakeholders on security architecture and risk trade-offs.

Skills

Security clearance

RMF experience

Vulnerability assessment

Education

Bachelor's degree in Computer Science/Information Assurance/ISSE or related field

Tools

Nessus

NMAP

Wireshark

Job description

J&T Business Consulting is seeking a Senior Information Systems Security Engineer (ISSE) to support large-scale, mission-critical systems across a complex, distributed network environment in Annapolis Junction, MD.

You will validate system security requirements, design robust architectures, perform vulnerability assessments, and collaborate with engineering, test, and agile teams to ensure compliance and a resilient operational security posture.