Information System Security Officer (ISSO)
$103.8k - $218.1kCaci Inc
Job Title: Information System Security Officer (ISSO)Job Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: SecretEmployee Type: RegularPercentage of Travel Required: NoneType of Travel: None* * *The Opportunity:CACI is searching for an Intermediate Information System Security Officer to support the FEMA Office of the ChiefInformation Security Officer (OCISO) in Washington, D.C. As an Intermediate ISSO, you will play a crucial role in ensuring the security and compliance of FEMA's information systems. You will work in a dynamic environment, collaborating with Lead ISSOs, IT system owners, stakeholders, and cybersecurity professionals to implement and maintain robust security controls. Your efforts will directly contribute to safeguarding FEMA's mission-critical systems and data. The Intermediate ISSO will be responsible for technical cybersecurity efforts in coordination with Lead ISSOs, providing direct support to the Compliance Branch Lead. Serving as a point of contact for technical cybersecurity matters related to quantifying technical risk, the Intermediate ISSO will execute Risk Management Framework activities for ATO decisions, ensure confidentiality, integrity, and availability of FEMA Information Systems, and implement security controls throughout the system lifecycle. This position requires maintaining a security posture in compliance with FISMA, DHS 4300 Series, NIST, and DHS and Component Directives. Responsibilities:The Intermediate ISSO will execute Risk Management Framework activities for ATO decisions and ensure systems meet compliance requirements while ensuring confidentiality, integrity, and availability of FEMA Information Systems through proper security control implementation. This position requires implementing security controls and conducting system assessments to identify vulnerabilities and gaps, as well as developing and maintaining System Security Plans, Configuration Management Plans, and Contingency Plans. The Intermediate ISSO will conduct Security Impact Analyses and test configuration changes pre- and post-deployment, support continuous monitoring of IT systems, and develop and track POA&Ms for identified vulnerabilities. Responsibilities include developing security requirement traceability matrices and managing hardware and software inventory lists, supporting cloud security initiatives, and participating in Change Advisory Board (CAB) reviews. The position involves conducting technical vulnerability assessments, providing audit support documentation, and responding to cybersecurity data calls with timely information to leadership. Critical deliverables include preparing Security Test Plans 90 days prior to testing and Security Test Reports within 15 days after testing, generating POA&Ms within 0 to 15 days after vulnerability identification, and updating System Security Plans, Configuration Management Plans, and Contingency Plans annually or when changes occur. The Intermediate ISSO will conduct Security Impact Analysis Reports within 5 business days after change notification, analyze Risk Assessment Reports and FISMA Scorecard Analysis on a daily basis, and produce Weekly Activity Reports and Monthly Program Reports. This position requires following the Information Systems Security Officer (ISSO) Guide when developing, updating, or reviewing required security artifacts and tracking and suggesting technologies, processes, and practices designed to protect networks, devices, programs, and data from malicious attack, damage, or unauthorized access.Qualifications:Required: - U.S. Citizenship required - FEMA EOD suitability or Current DHS or FEMA EOD preferred- Active Secret security clearance- BS/BA + 10 years of applicable experience or equivalent combination - Must have one of the following Information Assurance Technician (IAT) Level III qualifications: - Certified Information System Security Professional (CISSP) - Certified Information Security Manager (CISM) - CompTIA Advanced Security Practitioner (CASP+)- Minimum 7 years of experience in information security - Demonstrated expertise in RMF, Information Security processes, FISMA, NIST SP 800-37, NIST- Experience developing security documentation including SSPs, POA&Ms, and Contingency Plans- Knowledge of DHS 4300 Series and federal cybersecurity requirements- Experience with continuous monitoring and vulnerability managementDesired:- Previous DHS or DoD experience- Experience with CSAM, RegScale, eMASS, or similar GRC tools- Cloud security experience with AWS, Azure, or other platforms- Knowledge of FedRAMP and cloud authorization processes- Experience with automated security tools and scripting- Strong technical writing and communication skills-What You Can Expect: A culture of integrity.At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.An environment of trust.CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.A focus on continuous growth.Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.The proposed salary range for this position is: $103,800 - $218,100CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.Department:Cyber Security
$146k - $234k
ResponsibilitiesJob Description:Peraton is seeking an Sr Information Systems Security Officer to support our Federal Strategic Cyber programs.Location:... ...years serving as an Information Systems Security Officer (ISSO) or Information System Security Engineer at a cleared...SuggestedContract workWork experience placementShift work- Job DescriptionECS is seeking a TS-cleared Junior Information Systems Security Officer (ISSO) to support one of our mission critical programs for the Department of Justice in Washington, DC.We offer the chance to support the world’s finest law enforcement organization...Suggested
$102k - $127k
Job DescriptionECS is seeking a TS-cleared Senior Information Systems Security Officer (ISSO) to support one of our mission critical programs for the Department of Justice in Washington, DC.Please Note: This position is contingent upon contract award.Salary Range: $102...SuggestedContract work- ...particular focus on Defense and National Security mission sets. We leverage more than... ...and motivated individuals with Systems Administration, Software... ...backgrounds to join our team as an Information System Security Officer (ISSO). You will collaborate with other Palantir...SuggestedFor contractors
$131.3k - $237.35k
Job DescriptionJob DescriptionInformation Systems Security Officer (ISSO) Leidos - Cyber & Analytics Business Area, Key Management & Analytics... ...Impact.Leidos has an exciting opportunity for an experienced Information Systems Security Officer (ISSO) to join our Cyber &...SuggestedFull timeImmediate startRemote work$92.21k - $125.15k
...Technology /Full Time On-Site /On-siteISSOEmployment Type: Full-Time, Experienced Department: Information Technology CGS is seeking an Information Systems Security Officer (ISSO) with DIACAP and/or RMF experience who has deep expertise in security assessment...Full timeLocal area- General information Job Posting Title Information System Security Officer (ISSO) Date Thursday, August 20, 2026 City Arlington State VA Country United States Working time Full-time Description & Requirements Maximus is seeking a...Minimum wageFull timeContract workTemporary workWork experience placement
$150k - $210k
...Bolling (JBAB) - Washington, DC Security Clearance: Active TS/SCI [Required]... ...Overview The Senior Information System Security Officer supports cybersecurity, security authorization... ...Experience Proven ISSO experience across a large-scale enterprise...Full timeWork experience placement$120k - $160k
...MTSI is seeking an Information Systems Security Officer (ISSO) to support a high-profile Air Force program at Joint Base Anacostia-Bolling Air Force Base, DC, or Wright Patterson Air Force Base, OH. This position requires travel of up to 20%, as directed by the Government...Contract work$135k - $216k
...Senior Information System Security Officer (ISSO) Job Locations US-MD-Laurel Requisition ID 2026-166615 Position Category Information Technology Clearance Top Secret/SCI w/Poly Responsibilities Peraton Labs is seeking...Full timeContract workFor subcontractorRelocation packageShift work- ...integrity, embrace teamwork, and embody a Can Do attitude in the delivery of superior customer service. Senior Information Systems Security Officer (ISSO) The Senior ISSO leads the implementation, oversight, and continuous evaluation of security controls across...Full timeTemporary workWork at officeFlexible hoursNight shift
$110.18k - $183.63k
...be part of an inclusive, adaptable, and forward-thinking organization, apply now. We are currently seeking a Information Systems Security Officer (ISSO) to join our team in Arlington, Virginia (US-VA), United States (US). Job Summary: The Information Systems...Temporary workWork at officeRemote workFlexible hours- ...Job Description Job Description Position Overview 8 Consulting is seeking an Information Systems Security Officer (ISSO) to support federal cybersecurity and information assurance activities in a hybrid environment based in Washington, DC. The position will support...
- ...Lead - Required to fill in as an ISSO for additional systems (as needed) - Locations include... ...following certifications: Certified Information Systems Security Professional (CISSP), Global... ...as an Information Systems Security Officer (ISSO) or Information System Security...Work experience placement
- ...Job Description Job Description **CONTINGENT UPON CONTRACT AWARD**Overview: Job Title: Senior Information System Security Officer (ISSO) Security Clearance: Ability to Obtain Tier 4 High-Risk Public Trust Location : Washington, D.C. (Due to the nature of...Contract work
- ...Information System Security Officer (ISSO) The ISSO will provide senior-level, hands-on cybersecurity support for assigned federal information systems and will be qualified to assume Lead ISSO responsibilities during scheduled or unscheduled absences. The position will...Full time
- ...Job Description Job Description Information Systems Security Officer (ISSO) ???? Location: Fort Meade, MD ???? Clearance Required: TS/SCI with Full Scope Polygraph Required for Consideration ???? Employment Type: Full-Time About the Opportunity SNS One...Full time
- ...Job Description Job Description Position Overview RiVidium Inc. is seeking a motivated Junior Information System Security Officer (ISSO) to support the security and compliance of federal information systems throughout their operational lifecycle. The Junior...Contract work
$91k - $140k
...proven and innovative methods is our vision. Job Description: Dobbs Defense Solutions is seeking an experienced Information System Security Officer (ISSO) to support a large-scale Department of Defense (DoD) enterprise IT program at Joint Base Anacostia-Bolling (JBAB)...Local area- ...strategic services firm that meets IT and Service needs for commercial and government clients, is seeking a full-time Information Systems Security Officer (ISSO) to support the government customer located in Washington, DC . This is an exempt hybrid remote position. (A...Full timeContract workRemote work2 days per week
$120k - $170k
...save agencies thousands of hours, safeguard national security, and strengthen health and humanitarian missions worldwide... ...challenges. Credence has an immediate need for an Information System Security Officer (ISSO) to provide IT professional support for Information...Immediate startWorldwide- ...an impact by connecting and securing critical operations across the... ...Job Description The ISSO is responsible for ensuring... ...posture is maintained for an information system and as such, works in close... ...agencies, such as HQ Air Force, Office of the Secretary of Defense...Work at office
$70k - $145k
...TestPros is dedicated to making lives better, safer and more secure. Start: Future projects late 2026 or 2027 (not an immediate job opening) Overview The Information System Security Officer (ISSO) supports the cybersecurity and compliance requirements of federal...Contract workFor contractorsWork experience placementInterim roleImmediate start$110k - $135k
...delivering cyber solutions to effectively manage risk & the business of cyber for 25 years! TDI is seeking an Information Systems Security Officer (ISSO) to provide expertise needed to align and help mature the organization and technology-specific risk management plans...Permanent employmentFull timeContract work- ...impact by connecting and securing critical operations... ...Job Description INFORMATION SECURITY ANALYST SENIOR ~ EVERGREEN The ISSO is responsible for ensuring... ...maintained for an information system and as such, works in... ...such as HQ Air Force, Office of the Secretary of...Work at officeWork from homeFlexible hours
- ...today! JOB OVERVIEW The ISSO plays a critical role in... ...and availability of sensitive information and systems within government agencies.... ...implementing, and managing robust security solutions to safeguard... ...ENVIRONMENTAL CONDITIONS Inside office environment. Working on a...Work at officeLocal area
$95k - $132k
...save agencies thousands of hours, safeguard national security, and strengthen health and humanitarian missions worldwide... ...Summary Credence has an immediate need for an Information Systems Security Officer (ISSO) to support federal cybersecurity compliance, risk management...Temporary workImmediate startWorldwideNight shift1 day per week$92.21k - $125.15k
...Technology /Full Time On-Site /On-siteISSOEmployment Type: Full-Time, Experienced Department: Information Technology CGS is seeking an Information Systems Security Officer (ISSO) with DIACAP and/or RMF experience who has deep expertise in security assessment...Full timeLocal area- ...Job Description Job Description Information System Security Officer (ISSO) Employment Type: Full-Time, Mid-Level Department: Administrative and Logistics Support As a FSR ISSO, you will be embedded on-site with U.S. Government customers to ensure the secure...Full timeFlexible hours
- ...AnaVation is seeking a Sr. Security Specialist (ISSO) for our mission critical customer... ...managing the security of a system's accreditation boundary.... ...Plans. Ensuring that information systems are accredited,... ...Homeland Security (DHS), the Office of Management and Budget (OMB...Temporary workWork at officeLocal areaImmediate start
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