Senior ISSO (TS/SCI Poly) — Security Ops Leader

Constellation Technologies, Inc; Maryland; On-site; USD 140,000 - 250,000; Full time

Benefits offered by this job

Healthcare options with employer-paid

Dental insurance

Vision insurance

Life insurance

Disability insurance

Training reimbursement

Red Hat / AWS training access

Technology reimbursement

401(k) with company match

Job summary

Constellation Technologies, Inc is seeking an Information Assurance professional to support DoD software programs in Maryland under federal contract requirements. The role requires US citizenship, an active TS/SCI clearance with a recent polygraph, and hands-on experience as an ISSO implementing RMF, SSPs, IAVA management, and security controls across isolated, connected, and standalone environments.

Responsibilities include security policy enforcement, day-to-day operations on large information

Qualifications

• US citizenship must be demonstrated.
• Active TS/SCI clearance with polygraph within 5 years.
• At least 10 years of ISSO experience, independent or team-based.
• 5+ years in IAVA management and SSP documentation.
• Experience enforcing security policies and RMF across environments.
• Knowledge of security tools, encryption, and architectures.
• Proven ability to operate in large, complex systems.
• Commitment to best practices and teamwork.

Responsibilities

• Oversee information security operations for DoD software programs.
• Prepare and maintain SSPs, RMF artifacts, and security documentation.
• Apply IAVA processes and ensure compliance across environments.
• Coordinate security evaluations and enforce policies.
• Collaborate with teams to implement security controls and improvements.

Skills

US Citizenship

TS/SCI clearance w/ polygraph

Ten years ISSO experience

IAVA management experience

SSP preparation/maintenance experience

Security policies & RMF handling

Security evaluation experience

Interpersonal skills

Education

Bachelor's degree

Tools

IAVA management tools

SSP documentation tools

Security evaluation tools

Job description

Constellation Technologies, Inc is seeking an Information Assurance professional to support DoD software programs in Maryland under federal contract requirements. The role requires US citizenship, an active TS/SCI clearance with a recent polygraph, and hands-on experience as an ISSO implementing RMF, SSPs, IAVA management, and security controls across isolated, connected, and standalone environments.

Responsibilities include security policy enforcement, day-to-day operations on large information