Sr. Information Systems Security Manger

QinetiQ US•Chantilly, VA

2d•$150,000 - $200,000•Onsite

About The Position

QinetiQ US is seeking a senior Cybersecurity Information Systems Security Manager to provide strategic cybersecurity support to a critical client in Chantilly, VA. The cybersecurity professional will serve as the principal cybersecurity authority and liaison for internal, external, and guest information systems across multiple classification enclaves up to TS/SCI/SAR. Candidate will be responsible for the end-to-end Risk Management Framework (RMF) lifecycle, security architecture engineering, and continuous monitoring of complex on-premises, cloud, Platform IT (PIT), and Facility-Related Control Systems (FRCS). Utilizing extensive cybersecurity policy writing expertise, this position partners with DoD mission partners and joint-service stakeholders to establish secure interconnectivity, govern Assured File Transfers (AFT), and execute guest system lifecycles from initial site survey through final authorization.

Requirements

Expertise in applying NIST Special Publications, including NIST SP 800-37 (RMF), 800-53 (Rev 4/5), 800-137 (ConMon), 800-39 (Risk), 800-171/171A (CUI), 800-30 (Threat ID), and NIST SP 800-18 (System Characterization).
Proficient in leveraging ACAS (Tenable Nessus/SecurityCenter) and Splunk Enterprise to orchestrate continuous monitoring; engineered custom Splunk dashboards and correlated ACAS vulnerability data to rapidly identify system anomalies, track DISA STIG compliance, and provide leadership with real-time risk posture visibility.
Operational understanding of Operational Technology (OT) security, applying NIST SP 800-82 guidelines to assess utility control, HVAC, and electronic security systems.
Extensive experience developing and maintaining core ATO package artifacts, including Disaster Recovery Plans (DRP), Contingency Plans (CP), Incident Response Plans (IRP), and SSPs.
Current or recent experience supporting Special Access Programs
Current/Active Top Secret/SCI clearance with SAP eligibility
Minimum of six (6) years of demonstrated experience in IT, cybersecurity engineering, and Assessment & Authorization (A&A), with increasing responsibility with 10 years of total work experience
Active baseline certification equivalent to DoD 8140.01 / 8570.01-M Information Assurance Workforce Improvement Program (IA WIP) for IAT Level II
Bachelor's degree in Information Technology, Cybersecurity or similar topic area
Ability to work on-site in Chantilly, VA 5 days a week

Nice To Haves

Previous experience supporting rapid prototyping organizations such as DARPA, RCO, RTCCO etc.
Previous experience as SCA preferred but not required

Responsibilities

Lead comprehensive RMF Assessment and Authorization (A&A) efforts for DoD enterprise-level SaaS (IL5) and Facility-Related Control Systems (FRCS), preparing and validating complete System Security Plans (SSPs) to achieve and maintain System ATOs.
Serve as the primary liaison between engineering staff and senior leadership, working directly with the Security Control Assessor (SCA), the SCO ITX Operations team, Information System Owner (ISO), and Authorizing Official (AO) to ensure DoD and NIST IA compliance.
Execute robust continuous monitoring (ConMon) programs, performing scheduled administrative and manual security checks to ensure the system’s real-time risk posture remains within acceptable parameters.
Proactively monitor privileged user accounts, conduct audit reviews, review configuration baselines, and data flows to prevent unauthorized modifications for SaaS environment.
Develop, track, remediate, and report on Plans of Action and Milestones (POA&Ms), actively collaborating with technical teams to mitigate identified system vulnerabilities and close security gaps.
Draft, establish, and enforce platform-specific cybersecurity policies and Standard Operating Procedures (SOPs) for a cloud-based SaaS solution, aligning cloud tenant configurations with JSIG, CNSSI 1253, and a multitude of DoD regulations.
Maintain 100% physical and digital accountability of SAP removable media in coordination with the Agency Security team, enforcing strict lifecycle tracking from onboarding through witnessed destruction.
Establish, document, and supervise strict AFT procedures (high-to-low/low-to-high) as a designated Data Transfer Agent (DTA), strictly enforcing Two-Person Integrity (TPI) and auditable transfer logging.
Lead comprehensive cybersecurity assessments of FRCS (HVAC, Utility Control, Electronic Security Systems) in strict accordance with UFC 4-010-06 and NIST SP 800-82 (OT Security), executing the RMF process to secure and maintain ATOs.
Direct real-time analysis, commentary, and handling of security events, actively assisting in Incident Response (IR) activities and spearheading technical innovations to optimize analyst oversight.