Senior Information System Security Engineer (ISSE) (TS/SCI Clearance And Current Polygraph Required)

J&T; Annapolis (MD); On-site; USD 120,000 - 150,000; Full time

Job summary

J&T in Annapolis, MD seeks an experienced Information Security System Engineer (ISSE) to lead security on a large program. The role requires deep expertise in RMF, vulnerability testing, and policy formulation, with hands-on use of Nessus, NMAP, and Wireshark.

The ideal candidate will have 12+ years of relevant experience, TS/SCI clearance with polygraph, and a proven ability to work across multiple systems and teams while upholding best security practices.

Qualifications

• At least 12 years as an ISSE on a large technical program.
• Hands-on vulnerability testing and secure practices.
• Experience applying Risk Management Framework (RMF).
• Formulating and assessing IT security policy.
• Experience with Nessus, NMAP, and Wireshark.
• OS hardening for desktops and servers.
• Strong verbal and written communication skills.
• Ability to plan, prioritize, and communicate trade-offs.
• Capable of working independently and in teams in a fast-paced environment.
• Active TS/SCI with current polygraph required.

Skills

ISSE experience

Vulnerability testing

RMF experience

Security policy

OS hardening

Multi-system work

Communication skills

Best practices

Task prioritization

Independent and team work

Education

IASAE Level 2/3

Tools

Nessus

NMAP

Wireshark

Encryption tools

Job description

• Must have at least 12 years of experience working as an ISSE on a large technical program.
  
• Must have a solid understanding of security practices and policies and hands-on vulnerability testing experience.
  
• Must have experience applying Risk Management Framework.
  
• Must have experience formulating and assessing IT security policy.
  
• Must have demonstrated knowledge of and experience with common security tools, such as Nessus, NMAP, and Wireshark hardware/software security implementation, communication protocol, encryption techniques/tools, and web services.
  
• Must have experience with secure configurations of commonly used desktop and server operating systems.
  
• Must be comfortable working on multiple systems and components simultaneously in various configurations.
  
• Must have strong verbal and written communication skills.
  
• Must be committed to adopting and adhering to best practices.
  
• Must be able to effectively plan and prioritize tasking and communicate clearly regarding technical options and trade-offs.
  
• Must be capable of performing high-quality work both independently and with a team in a fast-moving environment.
  
• IASAE Level 2 or 3 required.
  
• Active TS/SCI security clearance with a current polygraph is required