Information System Security Officer; ISSO - Mid/Senior Level Security Clearance
Listed on 2026-06-24
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IT/Tech
Information Security, Cybersecurity
Information Assurance, IAVA, System Security Plans (SSPs), RMF, Windows, Linux, Authorization to Operate, Verification and Validation, Security+, Security X, CASP+, NIST 800‑53 are required skills for this federal contract. United States citizenship and an active TS/SCI clearance with an active polygraph (within the last five years) are required.
US Citizen required.
Qualifications- Active TS/SCI clearance with polygraph (polygraph within the last five years).
- At least twelve (12) years of direct or relevant experience.
- Bachelor’s degree in Computer Science, Information Assurance, Information Security, System Engineering, or a related accredited discipline.
- Or four (4) years of additional relevant experience on projects with similar processes as a substitute for a bachelor’s degree.
- Security+ certification or Security X (formerly CASP+) certification required.
- Experience as an ISSO working independently and/or on teams maintaining secure information system operations in isolated, connected, and standalone environments.
- At least five (5) years of experience using tools to support IAVA management.
- At least five (5) years of experience using tools to support the preparation, maintenance, and management of SSPs and other security-related documentation.
- Demonstrated knowledge and experience with security tools, hardware/software security implementation, communication protocols, and encryption techniques/tools.
- In‑depth experience completing security evaluations of software systems or architectures to ensure compliance with security requirements.
- In‑depth experience proposing, coordinating, implementing, and enforcing information systems security policies, standards, and methodologies, preferably for a large software or IT program.
- Demonstrated experience performing day‑to‑day security operations of large, complicated information processing systems.
- Committed to developing and adhering to best practices.
- High level of self‑initiative and a solutions‑oriented team player.
- Excellent interpersonal skills.
- Nice to have:
Extensive experience as an Information Systems Security Officer on large software development and integration programs.
$170,000 – $215,000 per year. The pay range is a general guideline only and not a guarantee of compensation.
Benefits and Perks- Affordable healthcare options with 80% employer‑paid premium plus a company‑funded HSA.
- Comprehensive dental insurance.
- Vision coverage with 80% employer‑paid premium.
- Employer‑paid life insurance (100%).
- Employer‑paid short‑term and long‑term disability (100%).
- Annual training, continued education, and professional memberships reimbursement.
- Unlimited access to Red Hat Enterprise Linux and AWS training and accreditation.
- Annual reimbursement for technology (phones, computers, printers, etc.).
- 401(k) plan with company match up to 5% with 100% immediate vesting after 90 days of employment.
- Professional development investment and paid time off for training.
- Contract and work locations in Maryland, Virginia, Colorado, Texas, Utah, Florida, and Hawaii.
- Team‑building events throughout the year (Destination Family Events, Holiday Party, Monthly Get‑Togethers).
- Leadership team engagement and mentorship.
- Performance recognition program.
- Complimentary branded apparel.
Constellation Technologies is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, religion, creed, colour, national origin, ancestry, sex (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, medical condition, marital or domestic partner status, sexual orientation, gender, gender identity, gender expression, and transgender status, mental disability or physical disability, genetic information, military or veteran status, citizenship, low‑income status, or any other status or characteristic protected by applicable law.
Job applicants can submit questions about CTI’s equal employment opportunity policy to [email protected].
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