• Systems Administrator

    Leidos (Alexandria, VA)
    …+ Candidate would be trained to take on Information System Security Officer ( ISSO ) for a highly secure facility. Manages limited access projects and responsible for ... the submission of required documentation for the Authority to Operate (ATO) issued by the DoD CIO office. + Design and implement Information Technology infrastructure requirements to support TS/SCI and SAP projects. + Planning and executing scheduled file… more
    Leidos (08/21/25)
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  • Principal Information Systems Security Engineer…

    Leidos (Bethesda, MD)
    …also be times when the ISSE will be asked to perform part time ISSO tasks. This role installs and maintains security scanning tools, performs security scans, reviews ... scan results, and supports information system security officers (ISSOs). Flexible cross-training to also provide systems engineering, software development, training, security, and testing is also desired. **Primary Responsibilities:** This role is responsible… more
    Leidos (08/01/25)
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  • Information Systems Security Manager

    Leidos (Bethesda, MD)
    …the duties and responsibilities of this position * Must have previous ISSM or ISSO experience * Must have Linux operating system experience including but not limited ... to: + Must have basic command line Linux knowledge, comfortable viewing files and knowledgeable about their locations in the file system + Must have a solid grasp on scanning and remediating issues on Linux systems * Must be thoroughly familiar with EMASS *… more
    Leidos (07/24/25)
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  • Information System Security Manager (ISSM)

    KBR (Bethesda, MD)
    …of experience in conducting security assessments by reviewing security controls with the ISSO /ISSM and guide programs through RMF process. + Must be DoD 8140 ... compliant + Preferred certifications: CISSP, ISSMP, GSLC, CAP, CASP+, CCISO CCSP, CISM, CISSP, Cloud+ or SSCP + Proven expertise with assessing security controls in accordance with NIST Special Publications (ie: NIST 800 Series) + Proven in-depth knowledge of… more
    KBR (06/03/25)
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  • Cybersecurity Engineer

    Steampunk (Mclean, VA)
    …in an enterprise knowledge base + Support Information System Security Officers ( ISSO ) with activities such as security scan analysis and partner with development ... teams to facilitate a common understanding of security findings and applicability. **Qualifications** **Required** + Ability to obtain a US government Security Clearance + Master's Degree and 3 years of relevant experience; OR + Bachelor's Degree and 5 years… more
    Steampunk (08/27/25)
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  • Contractor Program Security Officer (Cpso)

    The MITRE Corporation (Mclean, VA)
    …System Security Manager (ISSM) or Information System Security Officer ( ISSO ) with maintaining appropriate accreditation documentation for each information system ... (IS) within the secure area under their cognizance and address any shortcomings. + The candidate must be professional, capable of independent engagement, and possess the ability to collaborate with peers and personnel outside of your team to ensure adherence… more
    The MITRE Corporation (08/16/25)
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  • Assistant Facility Security Officer (Afso)

    The MITRE Corporation (Mclean, VA)
    …Information System Security Managers (ISSM) or Information System Security Officers ( ISSO ) and ensure accreditation documentation for secure area information systems ... are maintained and addressing deficiencies in a timely manner. + Properly account for, control, transmit, package, and safeguard COMSEC information, including administering periodic software and cryptographic key updates. + Analyze and validate security… more
    The MITRE Corporation (07/24/25)
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  • Information Systems Security Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Fort Belvoir, VA)
    …The world can't wait. You Have: + 6+ years of experience in an ISSE, ISSO , or IT role + Experience with DoD architecture, strategic planning, concept of operations, ... performance attributes, system architecture and design, evolving methodologies, and statutory and regulatory requirements + Experience with Security Information and Event Management ( SIEM ) systems such as Splunk, Elastic, Logstash, and Kibana + Experience… more
    BOOZ, ALLEN & HAMILTON, INC. (08/09/25)
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  • ISSE w/ TS/SCI w/Poly

    Watershed Security (Vienna, VA)
    …subject matter expertise in securing DEVSECOPS CI/CD pipelines and providing support to the ISSO team in ensuring that all systems are in adherence to NIST and FBI ... Security policy. REQUIRED QUALIFICATIONS + Must have a TS/SCI with Counterintelligence Polygraph + Demonstrated expertise in systems security requirements and policy. + Demonstrated expertise in incident response and management. + Demonstrated experience and… more
    Watershed Security (08/08/25)
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  • Security Specialist - Risk Management Framework

    Parsons Corporation (Springfield, VA)
    …record in an audit trail and report to the Information System Security Officer ( ISSO ) any attempts by non-authorized users to access the system. Provide audit logs ... to the Customer monthly. + Ensure security parameters controls that were identified by the Customer be augmented by policies and procedures. + Ensure Security categorization of High Confidentiality, High Integrity and Moderate Availability based on the… more
    Parsons Corporation (08/21/25)
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