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Senior Information Systems Security Officer; ISSO

Job in Dundalk, Baltimore City, Maryland, 21222, USA
Listing for: Leidos
Full Time position
Listed on 2026-07-24
Job specializations:
  • IT/Tech
    Cybersecurity, Information Security & Data Protection, Network Security
Salary/Wage Range or Industry Benchmark: 25000 USD Yearly USD 25000.00 YEAR
Job Description & How to Apply Below
Position: Senior Information Systems Security Officer (ISSO-3)

Job Summary

Senior Information Systems Security Officer (ISSO) in the Intelligence Sector’s (INTEL) Cyber & Analytics Business Area (CABA) supporting Computer Network Operations with maintaining compliance and strengthening the security posture of critical mission systems via the Risk Management Framework; responsible for 6 System Security Plans (SSPs).

Qualified candidates are eligible for enhanced incentives including up to a $25K cash sign‑on bonus or a paid time off bonus.

Job Responsibilities /Qualifications
  • Mission Focus: Ensure the appropriate operational security posture is maintained for information systems. Support continuous monitoring of networks to detect and correct areas of security non‑compliance, unmitigated vulnerabilities, and other risks. Follow consistent security processes and play a role in the information systems continuous monitoring program. Perform regular audits of information systems. Assist the information systems security manager in preparing the information system for periodic reaccreditation.
  • Technical Proficiency: Experience as an ISSO with emphasis on Defense‑in‑Depth principles, network, and enterprise security architecture. Experience applying the principles of the NIST 800‑53 including the procedures in the Risk Management Framework (RMF). Familiarity with STE/STN requirements and associated tools and tradecraft.
  • Qualifications: Bachelor’s degree plus eight (8) years of relevant experience or master’s degree plus six (6) years of relevant experience. An associate’s degree or 18 semesters of military coursework/training in a computer‑related field plus 10 years of relevant experience or high school diploma/GED plus 12 years of relevant experience may be considered. Information Assurance Manager (IAM) Tier 1 certification (CAP, Security+, GSLC).
  • Desirable

    Skills:

    Excellent written and oral communication skills.
  • Security Clearance: Active TS/SCI with Polygraph required to be considered for this role.
Benefits

Competitive benefits including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and more.

Pay Range

Pay Range $ - $

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Position Requirements
10+ Years work experience
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