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Description

**SAIC** is seeking a **Senior Information Systems Security Analyst** to support a critical U.S. government agency in the National Capital Region. This senior-level role is focused on the development and maintenance of tailored NIST SP 800-53 Rev. 5 control implementation statements to support system authorizations (ATO), continuous monitoring, and broader compliance initiatives.

This is an excellent opportunity for a seasoned cybersecurity professional with hands-on experience in federal ATO processes, technical writing, and security architecture who is eager to contribute to the maturity of system security documentation and governance activities.

Responsibilities:

+ Develop and maintain detailed, system-specific NIST SP 800-53 Rev. 5 control implementation statements for hybrid and cloud-based environments

+ Collaborate with SMEs, system owners, engineers, and ISSOs to validate technical control implementations

+ Translate technical configurations and operational practices into clear, compliant documentation aligned with RMF and assessment procedures

+ Identify and document control inheritance opportunities and shared responsibilities across systems and environments

+ Review and edit control narratives for accuracy, completeness, and consistency with assessment objectives

+ Support ATO-related efforts, including system authorizations, re-authorizations, and continuous monitoring documentation

+ Conduct gap analyses and readiness reviews to assess the completeness of control implementations

+ Support audits, security assessments, and reviews by producing high-quality, well-documented control statements and evidence

+ Document control deficiencies and support creation of POA&Ms for remediation planning

+ Stay current with updates to federal guidance, including NIST 800-53, NIST 800-37, FedRAMP, RMF, and CMMC

+ Assist in the development and revision of system security plans (SSPs), POA&Ms, and related documentation

+ Support continuous security monitoring for control compliance and documentation accuracy

+ Assist in the creation and update of security policies, procedures, and technical guidance

+ Contribute to reports, briefings, schedules, and project plans in both written and oral formats

Qualifications

Requirements:

This hybrid role requires a minimum of three on-site days per week in Washington, DC.

+ Bachelor’s degree and 9+ years of IT security or IT controls experience in technical environments, or a Master’s degree and 7+ years of experience (4 years experience in lieu of degree)

+ Hands-on experience implementing and documenting security controls in system engineering, administration, or related technical roles

+ Strong working knowledge of NIST SP 800-53, RMF, CSF, and federal ATO processes (FISMA, FedRAMP, CMMC)

+ Experience supporting the development of SSPs, POA&Ms, SARs, and other RMF documentation

+ Familiarity with hybrid IT environments and platforms such as Microsoft Office 365, Azure, Cisco, and Oracle

+ Excellent technical writing skills with the ability to produce deliverables requiring minimal revisions

+ Strong collaboration and communication skills, including the ability to convey complex technical content to diverse stakeholders

+ Proficiency in Microsoft Office applications, including Word, Excel, PowerPoint, and SharePoint

Preferred Qualifications:

+ One or more current certifications such as CISSP, CISM, CAP, CISA, or Security+ Experience with cloud security principles and tools (AWS, Azure, GCP)

+ Familiarity with GRC platforms such as Archer, eMASS, CSAM, or Xacta

+ Understanding of OMB M-22-09, Executive Order 14028, and current federal cybersecurity policy landscape

+ Working knowledge of network security principles (e.g., firewalls, IDS/IPS, VPNs, segmentation)

+ Awareness of evolving threats and emerging IT security standards

Clearance Requirement:

+ All candidates must be eligible to obtain and maintain a U.S. Public Trust clearance requiring U.S. Citizenship.

Target salary range: $80,001 - $120,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.

REQNUMBER: 2507817

SAIC is a premier technology integrator, solving our nation's most complex modernization and systems engineering challenges across the defense, space, federal civilian, and intelligence markets. Our robust portfolio of offerings includes high-end solutions in systems engineering and integration; enterprise IT, including cloud services; cyber; software; advanced analytics and simulation; and training. We are a team of 23,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $6.5 billion. For more information, visit saic.com. For information on the benefits SAIC offers, see Working at SAIC. EOE AA M/F/Vet/Disability