Information Systems Security Officer (ISSO), Mid (MCSES III)
$140k - $160kAmerican Systems
Job TitleAMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training.ResponsibilitiesResponsibilities:Maintain the appropriate operational security posture for assigned Information Systems (IS) and networks in accordance with cybersecurity policies, directives, and Information Assurance (IA) Standard Operating Procedures (SOP).Ensure the Confidentiality, Integrity, and Accessibility of all IS resources, organic to the supported organization, maintain a high level of operational availability.Serve as the principle technical advisor to the Information Systems Security Managers (ISSM), Program Security Officers (PSO), and Delegated Authorizing Officials (DAO).Perform functional duties, as the alternate ISSM, to maximize operational readiness and effectiveness.Provide expertise, to maintain the Authority to Operate (ATO) and Authorization to Connect (ATC) for assigned IS, ensuring Risk Management Framework (RMF) compliance.Provide support to Program Management Offices (PMOs), by conducting site surveys and providing technical information, to develop RMF artifacts to support ATO/ATC and to facilitate IS deployments and successful integration.Perform IS lifecycle management to facilitate requirements engineering, procurement, integration, operational sustainment, and destruction.Provide the organization, subject matter expertise to prepare for cybersecurity, physical and personnel security assessments from senior management.Perform cybersecurity assessments for IS, within your area of responsibility, on a regular and consistent basis to identify potential vulnerabilities, evaluate the effectiveness of existing security controls, and ensure compliance with relevant policies and regulations.Develop supporting documentation, such as Plan of Action and Milestones (POA&M) and inspection reports, to coordinate events, capture discrepancies, and document remediation strategy for supported organizations.Develop and integrate policy and procedures to reinforce Access Controls (AC) for identified vulnerabilities.Participate in professional engagements with supporting and supported organizations, for successful collaboration, and to ensure assigned projects deliver desired results.Develop and maintain IS documentation to capture changes to the system, its operating environment, and to advice the Configuration Control Board (CCB) on ATO/ATC conflicts.Conduct cybersecurity audits and maintain audit record management, ensuring audit records are collected, reviewed, documented, and archived.Complete necessary, initial/annual, training to establish and maintain access to supported systems and networks.QualificationsQualifications:5 years of information systems management and cybersecurity experience.Active TS clearance with SCI eligibility.Proficient in firewall administration, intrusion detection systems, anti-virus software, and data encryptionIn-depth knowledge of information security principles and practices, including NIST SP 800-53 controls, DoD Risk Management Framework (RMF), and DoD Instruction 8510.01.Experience with cybersecurity RMF compliance and regulatory requirements.Strong analytical, problem-solving, and decision-making skills.Strong communication skills, adept at briefing executives and program IPT level leadership.Self-starter, strong work ethic, and willingness to be a contributing IPT member.Certifications:Must possess an active DoD 8140/8570.01-M baseline certification at IAM Level II or higher (e.g., SecurityX CE, CySA+, CISSP, or CISM).Candidates without IAM Level II on day one may be considered if they currently meet IAT Level II and can obtain an IAM Level II certification within an agreed-upon timeframe.Pay Transparency StatementAMERICAN SYSTEMS is committed to pay transparency for our applicants and employee-owners. The salary range for this position is USD $140,000.00/Yr. - USD $160,000/Yr. Actual compensation will be determined based on several factors permitted by law. AMERICAN SYSTEMS provides for the welfare of its employees and their dependents through a comprehensive benefits program by offering healthcare benefits, paid leave, retirement plans, insurance programs, and education and training assistance.EEO StatementEEO Race/Sex/Disability Status/Veteran Status
$102.83k - $154k
...102,831.00 - $154,000.00 Security Clearance: TS/SCI Level of Experience: Mid This opportunity resides with Warfare Systems (WS), a business group within... ...doDesigns and implements information assurance and security... ...security experience (ISSO, cyber analyst, cyber auditor...SuggestedFull timeWork experience placementLocal areaWorldwide$110.18k - $183.63k
...want to 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 Security...SuggestedFull timeTemporary workWork at officeRemote workFlexible hours- 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...SuggestedMinimum wageFull timeContract workTemporary workWork experience placement
- ...Senior Information Systems Security Officer (ISSO)Location: Annapolis, MD / Reston, VA / Washington, DC Work Model: 100% Onsite (SCIF Environment) Work... ...clearance with CI Polygraph (Mandatory) • Security+ or IAT II/III Certification (Active) • 13+ years of experience in...SuggestedFull time
- ...subject matter expert in ensuring system security compliance and risk... ...Certification: Current IAT Level II or III certification (e.g.,... ...in a Sensitive Compartmented Information Facility (SCIF) with flexible... ...experience specifically as an ISSO or ISSE on large-scale government...SuggestedFull timeInterim roleFlexible hours
$116.5k - $150k
...Information System Security Officer (ISSO)Maximus TCS (Technology and Consulting Services) Internal Job Profile Code: TCS040, T4, Band 7Verify authenticator generation and verification requirements and processes.Bachelor's degree with preference for Computer Science, Information...Minimum wageContract workTemporary workWork experience placement- ...Required to fill in as an ISSO for additional systems (as needed)- Locations... ...certifications: Certified Information Systems Security Professional (CISSP), Global... ...Management (IAM) Level III proficiency.- Possesses at... ...Systems Security Officer (ISSO) or Information System...Work experience placement
- ...Job Title: Information System Security Officer (ISSO) Location: On-Site in Oakton, VA Department: Cyber Security Services Reports To: Management... ...: DoD 8570.01-M / 8140.03 compliant for IAM Level II or III (e.g., CAP, CISM, CASP+ CE, CISSP). Framework Knowledge...Full timeFlexible hours
$150k - $210k
...(JBAB) - Washington, DC Security Clearance: Active TS/SCI [... ...Position Overview The Senior Information System Security Officer supports cybersecurity,... ...Experience Proven ISSO experience across a large-scale... ...DoD 8570.1-M IAT Level III certification, such as CISSP...Full timeWork experience placement$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- ...Description Job Description Description: Job Title: Information System Security Officer (ISSO) Location: On-Site in Oakton, VA Department: Cyber... ...: DoD 8570.01-M / 8140.03 compliant for IAM Level II or III (e.g., CAP, CISM, CASP+ CE, CISSP). Framework Knowledge...Full timeWork at officeLocal areaFlexible hours
$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- ...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
$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...Contract workWork experience placementShift work$87.1k - $157.45k
The Defense Sector at Leidos is looking for an Information System Security Officer (ISSO) to support a fast-paced program with the Air Force Life Cycle Management Center. This role involves supporting the delivery of comprehensive IT and support services to ensure mission...Full timeRemote 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...For contractors
$62k - $141k
Information System Security Officer, MidThe Opportunity: Perform analysis of policies and procedures to ensure information system security controls are implemented and continuously monitored throughout the system development life cycle. Conduct hands-on validation and verification...Full timeContract workPart timeWork at officeLocal areaRemote 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- ...Information Systems Security OfficerOwn your opportunity to support national defense. Your work will help keep critical operations secure and... ...generation of innovation.As an Information Systems Security Officer (ISSO) supporting enterprise infrastructure services, you will...
- ...Senior Information System Security Officer (ISSO)Momentum Engineering, Inc. fosters an employee-centric culture. Our strength lies in our people. With a high percentage of employees holding advanced degrees in engineering, computer science, and related disciplines, we...Hourly pay
- ...Information Systems Security Officer (ISSO)We are seeking a dedicated and detail-oriented Information Systems Security Officer (ISSO) to join our team and take ownership of ensuring the security and integrity of our information systems. In this role, you will be responsible...Temporary workFor contractorsImmediate start
- ...Information System Security Officer (ISSO)Washington D.C.Tria Federal delivers digital services and technology solutions that support the health and safety of veterans, service members and civilians. For two decades, federal agencies have relied on Tria companies to advance...
$112k - $179k
Responsibilities Job SummaryWe are seeking a highly skilled and technically proficient Information Systems Security Officer (ISSO) with hands-on experience developing, implementing, and validating security controls within DoD RMF environments. This role requires deep...Contract workShift work$70k - $145k
...Information System Security Officer (ISSO)TestPros delivers innovative independent IT assessment solutions to critical challenges facing the nation and the world. We support the U.S. Federal Government and Commercial clients within the continental USA. TestPros is dedicated...Contract workFor contractorsWork experience placementInterim roleImmediate start$140k - $150k
...Senior Information System Security Officer (ISSO)Quantum Sky is searching for a Senior Information System Security Officer (ISSO) to be responsible for the overall handling of information assurance expertise for a large, complex IT infrastructure program in Washington...$110k - $135k
...Information Systems Security Officer (ISSO)Tetrad Digital Integrity (TDI) is a cybersecurity firm built for high-consequence environments where mission, complexity, and trust intersect. Our single focus has been delivering cyber solutions to effectively manage risk &...Permanent employmentContract work- ...Information Systems Security Officer (ISSO)Mantis Security is a leading specialty firm of high caliber talent who specialize in Cyber Operations, Cyber Defense, Information Assurance, Software Development, DevSecOps, Security Engineering, and Cloud Engineering. We enable...Immediate start
- ...Senior Information Systems Security Officer (ISSO)The Senior ISSO leads the implementation, oversight, and continuous evaluation of security controls across enterprise information systems. This individual focuses on A&A execution, automating continuous monitoring, and...Full timeTemporary workWork at officeFlexible hoursNight shift
$120k - $130k
...5 days per week, Washington, DC.Conduct security control assessments and ensure compliance... ...Assessments / RMF.Experience acting as an ISSO.Hands-on experience with vulnerability scanning... ...knowledge of the NIST RMF and evaluating system configurations.CISSP (or Govt-accepted...Contract workWork experience placementFlexible hours- ...Information Systems Security Officer (ISSO)Employment Type: Full-Time, ExperiencedDepartment: Information TechnologyCGS is seeking an Information Systems Security Officer (ISSO) with DIACAP and/or RMF experience who has deep expertise in security assessment documentation...Full timeLocal area
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