Senior ISSO
RJIT Solutions
Purpose Carry continuous monitoring, incident response coordination, and audit and assessment support; serve as second-line backup to the Lead ISSO. Reports to: Lead ISSO for task direction. Core responsibilities Execute continuous monitoring and security posture management, producing outputs that support Government risk decisions, audit readiness, and ongoing authorization. Coordinate incident response with the DFC SOC, meeting the acknowledgement and notification timeframes in the PWS, and maintain incident documentation and after-action records. Support audits and assessments: maintain audit-ready evidence, sustain traceability between requirements and artifacts, reduce evidence-collection burden on Government staff, and identify documentation gaps before assessors do. Support vulnerability analysis and POA&M lifecycle activities in coordination with remediation teams, recognizing that closure approval, schedule extensions, and risk acceptance are reserved to Government officials. Maintain proficiency in CSAM, ServiceNow, Splunk, and the vulnerability scanning platforms in use. Required qualifications Ten or more years of federal cybersecurity experience. Hands-on authorization package development and security control assessment. Operational experience with a federal GRC platform and an enterprise SIEM. Demonstrated coordination with an agency security operations center during live incidents. Active CISSP. Preferred CGRC or CEH. Direct CSAM experience. Prior support to a federal civilian CISO organization. Existing federal background investigation eligible for reciprocity under PWS 5.4. #J-18808-Ljbffr RJIT Solutions
- ...A cybersecurity solutions provider in Washington, DC is seeking an Information Systems Security Officer (ISSO) to oversee security configurations and ensure compliance across information systems. The ideal candidate will have a Top Secret Security Clearance and at least...Senior
- Chameleon Integrated Services seeks a Senior ISSO, RMF and Authorization / Alternate Lead to steer RMF/authorization for a portfolio of DFC systems and to act as the designated Alternate Lead ISSO. The role requires hands-on experience with NIST RMF artifacts and authorization...Senior
- E-Logic Inc. is seeking a Senior/Alternate ISSO to support DFC’s cybersecurity program. This role will perform senior ISSO duties for assigned systems and support RMF, continuous monitoring, vulnerability management, POA&M, audit, and compliance workstreams. The Alternate...Senior
- ...Carry continuous monitoring, incident response coordination, and audit and assessment support; serve as second-line backup to the Lead ISSO. Reports to: Lead ISSO for task direction. Core responsibilities. Execute continuous monitoring and security posture...Senior
- E-Logic Inc. seeks a Lead ISSO to support the U.S. International Development Finance Corporation (DFC) Information System Security Officer program. The Lead ISSO will be the single point of accountability for technical execution, managing day-to-day ISSO support activities...Senior
- Zermount, Inc is seeking an ISSO Program Manager to lead security governance and RMF activities for a federal client. This role combines project management with cybersecurity expertise to ensure secure, compliant operations across enterprise systems. The role requires...Senior
- Softthink Solutions in the United States seeks a Senior ISSO to support a Federal cybersecurity program. The role focuses on RMF, continuous monitoring, vulnerability management, authorization activities, and audit readiness. You will coordinate with System Owners, ISSMs...SeniorRemote job
- ...Mid/Senior-Level Cybersecurity (RMF ISSO) Location: DC area (2 to 3 days/week Washington Navy Yard) Required Clearance: Secret Salary: Negotiable Overview: Seeking an experienced Cybersecurity Analyst to support Advanced Radars programs for PEO IWS 2.0....Senior2 days per week3 days per week
- Zermount, Inc. is seeking an ISSO Program Manager in Arlington, VA. The successful candidate will provide project management and security expertise, managing a team to ensure compliance and risk management processes align with federal guidelines. Responsibilities include...SeniorRemote job
- Bna Inc in Washington, DC is seeking a Senior ISSO to lead cybersecurity compliance and security operations for federal information systems. This role involves managing multiple cybersecurity activities, supporting classified environments, and requires strong RMF and vulnerability...Senior
- Agile Defense, LLC in Washington, DC seeks a Senior ISSO to safeguard government information systems. The role focuses on designing, implementing, and managing security controls to ensure confidentiality, integrity, and availability in compliance with NIST, FISMA, FedRAMP...Senior
- ...Senior Information Systems Security Officer (ISSO)Location: Annapolis, MD / Reston, VA / Washington, DC Work Model: 100% Onsite (SCIF Environment) Work Type: Full-Time Experience Required: 13+ Years The Senior ISSO will support mission-critical cybersecurity initiatives...SeniorFull time
- Guidehouse is seeking an experienced Information Security Systems Officer (ISSO) to lead RMF, ATO, and continuous monitoring for a major federal initiative. You will mentor staff and guide system owners through cloud and on‑premises security in hybrid environments. In...Senior
- ...on continuous monitoring, incident response coordination, and audit support for government clients. The position reports to the Lead ISSO and requires CISSP, hands-on authorization package development, and strong experience with GRC platforms and SIEM tools such as CSAM...SeniorFull time
- ...Senior ISSO Location: Remote Work authorization: US Citizen Position Summary We are seeking experienced Senior Information Systems Security Officers (ISSOs) to support a Federal cybersecurity program. The Senior ISSO will assist in implementing RMF, Continuous Monitoring...SeniorRemote work
- ...Senior Information System Security OfficerLocation: Washington, DC (Hybrid)This position is currently 100% remote. However, candidates... ...solutions.Brief leadership on security posture and mentor junior ISSO staff.Required QualificationsEducation and Experience:Bachelor's...SeniorLocal areaRemote workVisa sponsorship
$150k - $210k
...requirements which may impact salary Position Overview The Senior Information System Security Officer supports cybersecurity,... ...lieu of a bachelor's degree. Experience Proven ISSO experience across a large-scale enterprise Information...SeniorFull timeWork experience placement- ...Information Systems Security Officer (ISSO) - Senior Category: Cyber Security Main location: United States, Virginia, Arlington Position ID: J0925-0453 Employment Type: Full Time Position Description: CGI Federal has an exciting opportunity for an ISSO within...SeniorFull time
- Senior ISSO, RMF and Authorization / Alternate Lead Must be a United States citizen. Must be eligible for a Tier 4 High-Risk Public Trust investigation. Strong preference for a current or recently favorably adjudicated Tier 4 or Tier 5 investigation. Role: Lead RMF...Senior
- ...Senior Information Systems Security Officer (ISSO)Synchron, LLC has an exciting opportunity for a Senior Information Systems Security Officer (ISSO) to support U.S. Navy's Team Submarine staff and program offices at the Washington Navy Yard in Washington, DC. As a Senior...SeniorWork experience placementWork at officeLocal area
- ...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...SeniorFull timeTemporary workWork at officeFlexible hoursNight shift
- ...science or cybersecurity related field.Experience is important to us: At least 7 years as an Information Systems Security Officer (ISSO) at a cleared facilityFamiliarity with the use and operation of security tools including Tenable Nessus and/or Security Center, IBM...SeniorTemporary workWork at office
- ...period 100% company paid life insurance 100% company paid long and short-term disability insurance Training allowance PTO and more Senior ISSO, Continuous Monitoring, Vulnerability, and Incident Coordination Must be a United States citizen. Must be eligible for a Tier 4...SeniorTemporary work
$140k - $150k
...Description 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 DC. Systems are deployed using a...SeniorFull time- Senior ISSO Location: Onsite, Washington, DC Clearance: Top Secret The Senior ISSO plays a critical role in ensuring the confidentiality, integrity, and availability of sensitive information and systems within government agencies. This position involves designing, implementing...Senior
$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...SeniorFull timeContract workFor subcontractorRelocation packageShift work$145k - $185k
...does not guarantee employment). ERP International, LLC ( is currently seeking a Full Time Information System Security Officer (ISSO) to support cybersecurity, privacy, risk management, and compliance initiatives for large-scale federal information systems and enterprise...SeniorFull timeFor contractorsLocal areaImmediate startRemote work- ...Senior Cloud ISSO (Cloud) The Senior Information Systems Security Officer (ISSO) - Cloud is responsible for overseeing cybersecurity compliance, risk management, and security operations for cloud-based and hybrid federal information systems within a cleared environment...SeniorFull timeLocal area
$175k - $190k
...cleared law enforcement and national security environments. Salary Range: $175,000 - $190,000.The successful candidate will provide senior-level ISSO support for complex, mission-critical systems, with an emphasis on cloud security, RMF execution, security documentation,...SeniorWork experience placementLocal area- ...Senior ISSO At B&A, we foster and embrace a distinct set of values that we live by and instill in all aspects of our organization: dedication, commitment, partnership, trust, and recognition. We have incorporated these values into successful delivery for our customers...SeniorFull timeWork at officeLocal area
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