ISSE/ISSO with TS/SCI Clearance – Defense-In-Depth Expert

Constellation Technologies, Inc; Columbia (MD); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Healthcare

Dental Insurance

Vision Insurance

Life Insurance

Disability Insurance

Training reimbursements

Tech stipend

401(k)

Job summary

Constellation Technologies, Inc. in Maryland is seeking security professionals with TS/SCI clearance to support DoD-grade programs. You will apply information security engineering, RMF processes, and defense-in-depth techniques across large software systems to protect critical assets.

Mandatory US citizenship and active TS/SCI with polygraph; DoD 8570 IAT Level I+ required. Roles vary by level (01–04) with years of related experience; SSP development, policy enforcement, and continuous

Qualifications

• TS/SCI clearance with active polygraph
• US Citizenship required
• 6–15 years of related experience depending on level
• DoD 8570 IAT Level I+ or higher
• Experience with ISSO/ISSE, RMF, NIST 800-53

Responsibilities

• Perform day-to-day information security operations for large systems
• Develop and maintain SSPs and security documentation
• Enforce information security policies and RMF processes
• Coordinate security requirements across large DoD programs
• Conduct security evaluations of software systems or architectures
• Support ongoing monitoring and compliance activities

Skills

TS/SCI clearance

US Citizenship

IAT Level I+

ISSO/ISSE exp

NIST RMF

Security architecture

Education

High School Diploma

DoD 8570 IASAE Level 2/3

Tools

Nessus

NMAP

Wireshark

Job description

Constellation Technologies, Inc. in Maryland is seeking security professionals with TS/SCI clearance to support DoD-grade programs. You will apply information security engineering, RMF processes, and defense-in-depth techniques across large software systems to protect critical assets.

Mandatory US citizenship and active TS/SCI with polygraph; DoD 8570 IAT Level I+ required. Roles vary by level (01–04) with years of related experience; SSP development, policy enforcement, and continuous