Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior Information Systems Security Officer

One Federal Solution

One Federal Solution provides senior ISSO support for cybersecurity risk management, A&A, FISMA compliance, continuous monitoring, and secure cloud/hybrid environments. We apply NIST, CNSSI 1253, and RMF principles to maintain compliance, strengthen security posture, and support secure mission operations.

Senior Information Systems Security Officer Task and Duties:

  • Serve as senior ISSO supporting cybersecurity risk management and compliance activities.
  • Support A&A, FISMA compliance, IC cybersecurity policy and standards, continuous monitoring, CDS, and secure cloud/hybrid engineering.
  • Apply emerging and evolving security risk management practices, including automation of A&A and continuous monitoring activities.
  • Apply NIST 800-series and CNSSI 1253 security controls, risk management framework principles, and related guidance.
  • Coordinate documentation, monitoring, and compliance activities needed to maintain secure system operations.

Senior Information Systems Security Officer Qualifications:

  • Minimum 10 years of total related experience.
  • Minimum 2 years of recent experience in each of the following: A&A, FISMA compliance, IC cybersecurity policy and standards, continuous monitoring, CDS, and secure cloud/hybrid engineering.
  • Experience automating A&A and continuous monitoring activities.
  • Experience applying NIST 800-series and CNSSI 1253 security controls and risk management framework guidance.
  • Mandatory certification in CISM, CAP, or GRC Certification in good standing at award and throughout the period of performance, or comparable demonstrable experience.
  • Desired: certifications in AWS, Microsoft Azure, and Microsoft Office 365 cloud platforms.
About One Federal Solution

One Federal Solution (OFS) is an innovative Professional Services provider with over 20 years of experience supporting Defense and Civilian agencies. OFS specializes in Business Intelligence, Acquisition and Procurement, and other Professional Services. We are pioneers, builders, thought leaders, and pride ourselves on thinking outside the box to co-create with our customers, helping them achieve exceptional enterprise-wide outcomes. As a certified Service-Disabled Veteran-Owned Small Business (SDVOSB), OFS is committed to providing high-performance professionals who deliver excellence to our government partners.

Vacancy posted 5 days ago
Similar jobs that could be interesting for youBased on the Senior Information Systems Security Officer in Washington DC vacancy
  •  ...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... 
    Senior
    Full time

    Veracity

    Washington DC
    1 day ago
  • $102k - $127k

     ...Job DescriptionECS is seeking aTS-clearedSenior Information Systems Security Officer (ISSO)to support one of our mission critical programs for the Department...  ..., resolves documentation and control gaps, and provides senior technical and process leadership. May serve as a task... 
    Senior
    Contract work

    ECS Federal

    Washington DC
    3 days ago
  •  ...to talk with you regarding the next step in your career. Come join our team! Zantech is looking for a talented Senior Information System Security Officer to be responsible for the most complex systems and serves as the Cybersecurity Division's primary point of... 
    Senior
    Contract work

    Talentify.io

    Washington DC
    2 days ago
  • $150k - $210k

     ...become available. Subscribe to our RSS feeds to receive instant updates as new positions become available. Senior Information System Security Officer (ISSO) Location: Joint Base Anacostia-Bolling (JBAB) - Washington, DC Security Clearance: Active TS/SCI [... 
    Senior
    Full time
    Work experience placement

    Amatriot Group, LLC

    Washington DC
    5 days ago
  •  ...Position Summary Base-2 Solutions is seeking a Senior Information Systems Security Officer responsible for safeguarding computer networks and systems to ensure data security, integrity, and confidentiality at the highest standards. Essential Duties and Responsibilities... 
    Senior

    Talentify.io

    Washington DC
    2 days ago
  •  ...Job Description: We are looking for a highly skilled and proactive Senior Information System Security Officer (ISSO) to join our team supporting the U.S. International Development Finance Corporation (DFC). As a Senior ISSO, you will act as the Alternate ISSO,... 
    Senior
    Full time

    E-Logic, Inc.

    Washington DC
    5 days ago
  •  ...and maintain Tier 4 High-Risk Public Trust. Position Summary vTech is seeking a highly motivated Senior Information System Security Officer (Senior ISSO) to support Federal cybersecurity operations, RMF compliance, continuous monitoring, vulnerability management... 
    Senior

    vTech Solution

    Washington DC
    2 days ago
  •  ...Description Tharros is seeking a Senior Information Systems Security Officer to support a DHS Intelligence and Analysis cybersecurity program in the National Capital Region. This role will support ISSO operations across a complex Federal cybersecurity environment... 
    Senior
    Work at office

    ANALYGENCE Inc

    Washington DC
    5 days ago
  • $110k - $170k

     ...Senior ISSO US Citizenship is Required. Ability to qualify...  ...a US Department of Defense security clearance required. Candidate...  ...person in our Arlington, VA office. Toyon Research Corporation...  ...RMF) lifecycle for assigned information systems, from security categorization... 
    Senior
    Full time
    Work experience placement
    Work at office

    Toyon Research

    Arlington, VA
    5 days ago
  • $120.8k - $265.8k

     ...The Opportunity: CACI is searching for a Senior Information System Security Officer (Senior ISSO) to support the FEMA Office of the Chief Information Security Officer (OCISO) in Washington, D.C. As a Senior Information System Security Officer, you will play a crucial... 
    Senior
    Contract work
    Work experience placement
    Work at office
    Flexible hours

    CACi

    Washington DC
    1 day ago
  • $125k - $175k

     ...of Digital, AI & Analytics, Cyber, and Engineering. With offices in the National Capital Region, Quantico, VA, and...  ...departments. Job Description Full Visibility is seeking a Senior Information System Security Officer with a Top Secret Clearance to work onsite in... 
    Senior
    Contract work
    Local area

    Full Visibility

    Washington DC
    1 day ago
  •  ...demonstrate 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... 
    Senior
    Full time
    Temporary work
    Work at office
    Flexible hours
    Night shift

    CDO Technologies, Inc.

    Washington DC
    5 days ago
  • $150k

     ...Senior Information Systems Security Officer About APTNEXUS Since our founding 2012, AptNexus has empowered federal agencies and commercial enterprises to navigate the complexities of the digital landscape. As a quality-driven small business, we specialize in the... 
    Senior
    Contract work
    For contractors
    Work at office

    APTNEXUS

    Arlington, VA
    5 days ago
  • $176k - $282k

     ...Senior Information System Security Officer (ISSO) Job Locations US-MD-Laurel Requisition ID 2026-171526 Position Category Information Technology Clearance Top Secret/SCI w/Poly Responsibilities Peraton Labs is seeking... 
    Senior
    Full time
    Contract work
    For subcontractor
    Relocation package
    Shift work

    Peraton

    Laurel, MD
    5 days ago
  • $120k - $130k

     ...Senior Information System Security Officer (ISSO) Quantum Sky is searching for a Senior Information System Security Officer (ISSO) to support one of our law enforcement customers in Washington, DC. The successful candidate will ensure information systems and high value... 
    Senior
    Remote work
    2 days per week

    Tyto Athene, LLC

    Washington DC
    1 day ago
  • $145k - $185k

     ...future openings posting 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... 
    Senior
    Full time
    For contractors
    Local area
    Immediate start
    Remote work

    ERP International

    Laurel, MD
    3 days ago
  • $141.5k - $236k

     ...Senior Information Systems Security Officer (ISSO) Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we've been solving the toughest... 
    Senior
    Hourly pay
    Contract work
    Temporary work
    Work experience placement
    Work at office
    Local area
    Remote work

    ManTech

    Washington DC
    4 days ago
  • $160k

     ...focused solutions, we assist major agencies in addressing intricate issues and ensuring a more secure future. We are seeking a Senior Information Systems Security Officer (ISSO) to support our DoD customer. The Senior ISSO will serve as a senior cybersecurity... 
    Senior
    Contract work
    For contractors
    Work at office
    Local area
    Immediate start
    Remote work

    Age Solutions

    Alexandria, VA
    1 day ago
  •  ...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... 
    Senior
    Contract work

    C3EL

    Washington DC
    a month ago
  •  ...compliance for all assigned FISMA Moderate systems within the Enterprise General Support...  ...lead for TeAM's ISSO support. The Lead Senior ISSO will own a dedicated portfolio of...  ...'s risk/issue register and oversee the Information Security Continuous Monitoring (ISCM) strategy.... 
    Senior
    Contract work

    Technology, Automation, and Management, Inc.

    Washington DC
    15 days ago
  • $100k - $150k

     ...Kroll is seeking a highly experienced Senior ISSO-S. The ISSO-S is responsible for leading...  ...and procedures for complex, classified systems. This role ensures compliance with federal...  ...design through decommissioning. Security Governance & Compliance Develop, implement... 
    Senior
    Temporary work
    Washington DC
    more than 2 months ago
  •  ...Job Description Job Description Telophase Corporation is seeking a motivated, career and customer-oriented senior Information Systems Security Officer (ISSO) to join our team. The ISSO shall ensure the implementation and maintenance of security controls in accordance... 
    Senior
    Work experience placement
    Remote work

    Telophase Corporation

    Lanham, MD
    a month ago
  •  ...services firm that meets IT and Service needs for commercial and government clients, is seeking a full-time Lead Senior Information Systems Security Officer (ISSO)  to support the government customer located in Washington, DC . This is an exempt hybrid remote position... 
    Senior
    Full time
    Contract work
    For contractors
    Remote work
    2 days per week

    Dynamic Solutions Technology LLC

    Washington DC
    29 days ago
  •  ...Senior Information Systems Security Officer (ISSO) At MITRE, your passion fuels work that impacts our nation and improves lives. This is where your skills strengthen national security, cybersecurity, health, transportation, and citizen services. We're a nonprofit engineering... 
    Senior
    Work experience placement
    Internship
    Local area
    Immediate start

    MITRE

    McLean, VA
    1 day ago
  • $102.83k - $154k

     ...Salary Range: $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 HII’s Mission...  ...4What you will doDesigns and implements information assurance and security engineering... 
    Senior
    Full time
    Work experience placement
    Local area
    Worldwide

    HII Mission Technologies division

    Springfield, VA
    2 days ago
  • $164.38k - $201.25k

     ...Cyber and IT Risk Management Job Qualifications: Skills: Information Systems, Information System Security, Plan of Action and Milestones (POA&M) Certifications...  ...and experienced Information System Security Officer (ISSO) supporting the Defense Threat Reduction Agency... 
    Senior
    Temporary work
    Interim role
    Immediate start
    Worldwide
    Flexible hours

    General Dynamics Information Technology

    Springfield, VA
    5 days ago
  •  ...with you regarding the next step in your career. Come join our team! Zantech is looking for a talented Cybersecurity Information System Security Officer to be responsible for technical cybersecurity efforts in coordination with the Lead ISSO, for an upcoming Onsite... 
    Contract work

    Zantech

    Washington DC
    5 days ago
  •  ...Operational Solutions (STOPSO) is seeking candidates for an Information Security Officer role to support a federal client where we are focused on...  ...Information Security Officer serves as the designated Information System Security Officer (ISSO) and key personnel for the FTC... 
    Fixed term contract
    Work at office

    Strategic Operational Solutions

    Washington DC
    5 days ago
  • $120k - $165k

    Job DescriptionEverforth ECS is seeking an Information System Security Officer (ISSO) to work onsite in our Arlington, VA and Fairfax, VA corporate...  ...ability to interface with all levels from end-users to senior management.Candidates must be able to take ownership of... 
    Local area
    Immediate start

    ECS Federal

    Arlington, VA
    3 days ago
  •  ...Information System Security Officer iQuasar, LLC is seeking a motivated Information System Security Officer to join our team. The ideal candidate...  ...Network and Application Vulnerability review meetings with senior leadership. Required Expertise and Experience:... 
    Work at office

    iQuasar

    Washington DC
    2 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Information Systems Security Officer. Be the first to apply!