Information System Security Officer; ISSO - Mid​/Senior Level Security Clearance

Information System Security Officer (ISSO) – Mid / Senior Level – FULLY CLEARED with POLYGRAPH REQUIRED. Locations:
Annapolis Junction, MD / Laurel, MD / Fort Meade, MD. Core functions include securing infrastructures and systems security personnel within Software Development – DEV
01. Key domains:
Information Assurance, IAVA, System Security Plans (SSPs), RMF, Windows, Linux, Authorization to Operate, Verification and Validation, Security+, Security X (CASP+), NIST 800‑53.

• Must be a US Citizen.
• Must have TS/SCI clearance with an active polygraph within the last five (05) years.
• At least twelve (12) years of direct or relevant experience.
• Bachelor’s degree in Computer Science, Information Assurance, Information Security, System Engineering or related discipline from an accredited college or university is required, or four (04) years of additional relevant experience on projects with similar processes may be substituted.
• Security+ Certification or Security X (previously 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 (05) years of experience using tools to support IAVA management.
• At least five (05) years of experience using tools to support the preparation, maintenance, and management of SSPs and other security related documentation.
• Demonstrated knowledge of and experience with current 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 they meet security requirements.
• In‑depth experience proposing, coordinating, implementing, and enforcing information systems security policies, standards, and methodologies, preferably on a large software or IT program.
• Demonstrated experience performing day‑to‑day security operations of large, complicated information and data processing systems.
• Commitment 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 a year (general guideline only).

• Affordable healthcare options with 80% employer‑paid premium and company‑funded HSA.
• Comprehensive Dental and Vision insurance with 80% employer‑paid premium.
• Employer‑paid Life insurance (100%) and Short‑term and Long‑term disability (100%).
• Annual training, continued education, and professional membership reimbursement.
• Unlimited access to Red Hat Enterprise Linux and AWS training and accreditation.
• Annual reimbursement for technology (phones, computers, printers, etc.).
• 401(k) 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 such as 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, color, 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, 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 the appropriate office. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.