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Apex Systems

Information Systems Security Officer (TS/SCI with Full Scope Poly)

Apex Systems, Reston, Virginia, United States, 22090

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Information Systems Security Officer (ISSO)

Apex Systems, a World-Class Technology Solutions Provider, is seeking applicants for the below position on behalf of our client. Please apply if interested and qualified. Please note that only qualified candidates will be contacted. Location: Reston, VA (hybrid onsite up to 2-3 days per week) Duration: 12+ month contract Type: W2 contract, paid hourly. No C2C, 1099, or third-party submissions will be accepted. Only direct W-2 candidates will be considered. Pay Rate Range: $70-80/hr.+ Clearance: Must be able to maintain a Department of Defense TS/SCI with Full Scope Poly clearance as a condition and continuation of employment. Job Description

We are seeking an experienced Information Systems Security Officer (ISSO) to collaborate with the Information Systems Security Manager (ISSM) and lead the security lifecycle of Information Systems in accordance with Intelligence Community Directive (ICD) 503 and Risk Management Framework standards. The ISSO will oversee Assessment and Authorization (A&A) activities, ensure compliance with security regulations, conduct audits and vulnerability assessments, and maintain secure system operations throughout their lifecycle. Responsibilities

Manage A&A processes to comply with ICD 503, NIST SP800-53, CNSSI, and DoD/Intelligence Community policies. Develop System Security Plans (SSPs), oversee technical security features, and facilitate system authorization. Conduct compliance activities, including weekly audits, vulnerability scanning, briefings, and maintaining CONMON requirements. Collaborate with government security representatives and cross-functional teams to ensure security standards are met. Prepare systems for annual audits, reviews, and inspections. Ensure all System of Record tools (e.g., EMASS, SNOW) are updated and maintained accurately. Develop Plan of Action & Milestones (POA&M) as necessary. Maintain knowledge and functionality of COMSEC and COMSEC equipment. Required Skills

TS/SCI Clearance and Full Scope Polygraph. In-depth expertise in ICD 503, NIST SP800-53, and DISA STIG implementation. Proficiency with Windows, Unix, Linux, AWS, and various compliance tools such as Tenable Security Center, HBSS, Splunk. Supervisory and leadership experience with the ability to execute detailed project implementation plans. Strong communication skills (oral and written) and experience delivering briefings. Self-starter with the ability to work independently and deliver exceptional customer service. Professional certifications such as CISSP, Security+, CASP, CCNA, or equivalent. DoD 8140 Manual Intermediate Foundational Qualification. Required Education

BS degree in Computer Information Systems/Computer Science or equivalent 5+ years of experience in a related technical field. Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.