TS/SCI ISSE/ISSO Security Engineer

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

Benefits offered by this job

Healthcare options

HSA funding

Dental insurance

Vision coverage

Life insurance

Disability protection

Training reimbursement

401(k) matching

Job summary

Constellation Technologies, Inc. is seeking a government-focused Information Security professional with an active TS/SCI clearance and polygraph. The role emphasizes Defense-in-Depth, RMF/NIST 800-53 controls, and security policy enforcement across large software programs.

Candidates should have ISSO/ISSE experience, DoD 8570 IAT compliance, and strong background in security operations. Maryland-based positions with federal contract requirements and ongoing training opportunities are available.

Qualifications

• Active TS/SCI clearance with polygraph.
• US citizenship required.
• Two of the last five years must be in ISSO/ISSE related work.
• DoD 8570 compliance with IAT Level I or higher.
• Experience with RMF and NIST 800-53 processes.

Responsibilities

• Perform day-to-day security operations on large information systems.
• Develop and maintain SSPs and security documentation.
• Propose, coordinate, implement, and enforce security policies and standards.
• Assess software/architecture security against requirements.

Skills

TS/SCI clearance

ISSO/ISSE

RMF/NIST 800-53

Security architecture

DoD 8570 IAT

Vulnerability management

Encryption techniques

Education

High School Diploma

DoD 8570 IASAE Level II/III

CISSP/ISSEP certification

Tools

Security tools

Encryption tools

SSP drafting tools

Job description

Constellation Technologies, Inc. is seeking a government-focused Information Security professional with an active TS/SCI clearance and polygraph. The role emphasizes Defense-in-Depth, RMF/NIST 800-53 controls, and security policy enforcement across large software programs.

Candidates should have ISSO/ISSE experience, DoD 8570 IAT compliance, and strong background in security operations. Maryland-based positions with federal contract requirements and ongoing training opportunities are available.