Chief Security Officer jobs in United States, Virginia, Arlington

Responsibilities

• The successful candidate will work with GPS engagement teams, supporting functions, and EY’s Client Technology and Global Information Security organizations to develop and maintain a security and compliance program across all environments, platforms and applications used or desired for use by GPS. Responsibilities include:
• Strategy, Governance and Risk Management
• Development and execution of a multi‑year cybersecurity strategy and investment roadmap aligned to business objectives and federal contract requirements.
• Development, management and maintenance of the GPS IT security risk management policy and/or procedural documentation mapped to NIST SP 800-37 (RMF), NIST SP 800‑53, NIST SP 800‑171, NIST SP 800‑161 (C‑SCRM), and NIST SP 800‑218 (SSDF)
• Ownership of the enterprise risk assessment (ERA), business impact analysis (BIA), and security metrics; present posture and material risk to the COO on a recurring cadence.

Defense Industrial Base Compliance (Classified & Unclassified)

• Manage GPS compliance with DFARS 252.204-7012, 252.204-7020, and 252.204-7021. This includes:
  • Leading DFARS/CMMC readiness and ongoing compliance.
  • Serving as the Affirming Official (AO) and maintaining an accurate SPRS self‑assessment score with defensible Plans of Action and Milestones (POAMs).
  • Achieving and maintaining CMMC certification at level 2.
  • Overseeing management and maintenance of POAMs.
• Ensure systems operated for the government are designed properly and assessed against the appropriate requirements such as FedRAMP, Cloud Computing Security Requirements Guide, IRS 1075, and MARS-E.
• Ensure safeguarding and incident reporting obligations for CUI (e.g., DFARS 252.204‑7012 72‑hour reporting) are met; coordinate with DC3/DIBNet and affected customers when necessary.
• Oversee NISPOM compliance for classified systems; partner with FSO to achieve and maintain Authorizations to Operate (ATOs).
• Ensure proper handling of export‑controlled data (ITAR/EAR).
• Prepare for and lead Program through contractually required assessments and customer audits; keep evidence, policies, configurations, and logs audit‑ready.
• Respond to government inspections or audits in coordination with EY Information Security and Risk Management.

Secure Cloud, Identity & Enterprise Platforms

• Own security architecture and controls for Azure Government (Azure Gov) and Microsoft 365 GCC High tenants, including Conditional Access, PIM/PAM, encryption, logging/retention, and data governance for CUI.
• Implement Zero Trust principles across identity, endpoints, networks, and workloads; drive continuous verification and least‑privilege.
• Deploy and operate EDR/XDR, SIEM/SOAR, DLP, CASB/SSE/SASE, MDM, key management/HSM, and vulnerability/configuration management at scale.
• Oversee user authorization process and ongoing attestation of user authorization and access.
• Assist to resolve GPS practitioners’ access or other issues with Enclave environments.
• Ongoing development, coordination and sustainment of Information Security Continuous Monitoring (ISCM) Program across all applications within the environment.

DevSecOps & Secure SDLC

• Establish a software security program aligned to NIST SSDF (SP 800‑218) and EO 14028 expectations; integrate security into SDLC across GitHub and Azure DevOps.
• Govern AppSec tooling and policy: SAST (e.g., Checkmarx), DAST (e.g., Qualys/AppScan), SCA/OSS (e.g., Mend), IaC/container/K8s scanning, and Wiz/Wiz Code; enforce build‑time gates and remediation SLAs.
• Require SBOM generation, artifact signing/provenance (e.g., SLSA targets), and secrets management across all repositories and pipelines.

Detection, Response & Resilience

• Develop, manage and maintain GPS incident response program.
• Lead SOC and CSIRT functions: 24×7 monitoring, threat intelligence, purple/red‑team exercises, and executive tabletop drills.
• Maintain and test the Incident Response Plan and Cyber Crisis Playbook, including regulatory/customer communications and forensics preservation.

Effective Business Integration

• Ensure development of fit-for-purpose solutions that support the business activities.
• Manage integration of Firm applications into the GPS Enclave environment.
• Understand and facilitate communication of EY’s IT disaster recovery and business continuity plans to GPS clients, potential clients and engagement teams (including engagement team responsibilities).
• Augment existing Client Security Assurance reviews of data protection requirements contained in RFPs/RFQs to adequately respond, and assist in development of GPS client security and data protection (confidentiality) plans.
• Monitor regulatory or other developments in INFOSEC principles, regulatory requirements and leading practices.

Leadership, Team and Budget

• Role model a leadership style that brings infrastructure, application and cybersecurity professionals together to collaborate constructively on the design, implementation and operation of controls.
• Build and mentor a high‑performing organization spanning Policy/GRC, AppSec/DevSecOps, Security Engineering/Architecture, SOC/IR, and Third‑Party & Supply‑Chain Risk.
• Own the cybersecurity budget and vendor portfolio; rationalize tools and services for value, performance, and compliance.
• Participate in purchasing and enhancement of third-party tools for GPS.
• Augment and potentially streamline existing Vendor Supplier Risk Assurance Program during evaluation of subcontractor compliance with applicable cybersecurity and data protection clauses.
• Drive a security‑first culture: ongoing training, phishing simulations, secure coding education, and leadership engagement including data protection and awareness and role-based training programs.
• Coordinate and respond to annual (or more frequent) independent risk assessments and cyber security reviews.

Qualifications:

• 12+ years of progressive cybersecurity leadership, including 5+ years at the enterprise or business‑unit executive level.
• 5+ years FISMA related experience
• Bachelor’s degree in IT-related field or bachelor’s degree in non-IT related field with a total of 10 years of information security experience
• Master’s degree preferred
• Ability to obtain and maintain Top Secret clearance
• US citizenship required
• Must have government sector experience
• Thorough knowledge and understanding of:

• • FAR 52.204-21 Basic Safeguarding of Covered Contractor Information Systems
  • DFARS 252.204-7012, Safeguarding Covered Defense Information and Cyber Incident Reporting
  • NIST SP 800-171, Protecting Controlled Unclassified Information in Nonfederal Systems and Organizations
  • NIST SP 800-53, Security and Privacy Controls for Federal Information Systems and Organizations
  • GSAM 552.239-70, Information Technology Security Plan and Security Authorization, 552.239-71, Security Requirements for Unclassified Information Technology Resources and similar clauses in agency FAR supplements
  • FISMA
• Specialized knowledge and experience with the implementation of the NIST Special Publication (SP) 800 family of publications, particularly those associated with the Risk Management Framework
• Proven experience in the Defense Industrial Base with DFARS/CMMC and NIST SP 800‑171 implementation and audits (including POA&M and SPRS management).
• Experience with FEDRAMP compliance authorization and monitoring
• Deep expertise securing Azure Government and Microsoft 365 GCC High environments
• Experience working with other Government cloud communities, including AWS
• Experience working with classified environments, achieving/maintaining ATOs, overseeing classified systems under NISPOM and DoD RMF, and working understanding of SCIF operations
• Knowledge and experience with vulnerability scanning execution, assessment, and analysis
• Knowledge and experience of networks, including LAN and WAN
• Knowledge and experience with application security, database security, and network security
• Experience with evaluating system, network, or infrastructure security controls against requirements such as FISMA, FIPS, and NIST guidelines
• Hands‑on leadership of DevSecOps and software security programs covering GitHub/Azure DevOps/Jenkins with SAST/DAST/SCA, IaC/container security, SBOMs, and supply‑chain controls.
• Demonstrated analytical, problem-solving, organizational, interpersonal and communication skills required.
• The ability to collaborate effectively with diverse stakeholders, including client-facing, legal, finance and contracting teams, executives, engineers, customers and assessors on a wide variety of tasks, as needed.
• Ability to foster professionalism and demonstrate integrity and confidentiality in all actions.
• Ability to demonstrate flexibility when required, sense urgency, organize and prioritize work, and achieve against tight deadlines.
• The ability to interpret and communicate regulatory requirements related to cybersecurity and data protection.
• Possession of excellent written/verbal communications skills.
• Possession of excellent analytical skills, including strict attention to detail.
• Ability to assess and weigh current and evolving security threats in an operational environment
• Possession of Information Systems Security Professional certification (CISSP)
• Certifications such as CISSP, CISM, CCISO, CCSP, CRISC, CISA, PMP, and relevant GIAC credentials preferred

Our GPS Technology Organization is a structure within the US GPS practice that implements and maintains a new operate and technology model designed specifically to support U.S. defense and Government engagements.

As the Cyber Security Engineer, you’ll be part of our Security Engineering & Operations team. In this role you’ll be involved in leading and coordinating activities related to multi-functional security technologies for our US Government and Public Sector (GPS) Practice. You’ll also work with internal security teams including IAM and Cyber Defense to ensure the related systems are secure, robust and compliant. You’ll spend most of your time supporting the run state of our security technologies. The remainder of your time will be spent bringing operational expertise into efforts which introduce new technologies and upgrade current ones.

Your key responsibilities

• Supporting the run state of our security technologies
• Bringing operational expertise into efforts which introduce new technologies and upgrade current ones
• Providing technical oversight of Information Security technologies that fall under the team’s responsibilities, confirming they are operating within agreed service levels, compliance specifications and at peak performance
• Managing and coordinating planned maintenance activities as well as incidents for Information Security technologies
• Representing the team in specific project activities, including leading projects and managing the activity of others towards successful completion
• Articulating technology issues/concerns that may emerge at any level of the technical stack, and from any component across the ecosystem, to technology leaders
• The role will likely be 100% remote and require <10% travel
• Occasional weekend and off hours work to support the business. It will also require a rotational on-call schedule.

Skills and attributes for success

• Operational experience in an environment of more than 3000 users
• Perform detailed troubleshooting of issues, by using their analytical skills and collaborating with other technical teams, stakeholders and internal and external customers
• Ability to work and solve issues independently, finding solutions to problems.
• Strong ability to document processes, procedures and security controls clearly and accurately for distribution to internal teams and customers
• Comfortable working remotely in a large, global virtual environment
• Ability to react appropriately during stressful and ambiguous situations and communicate clearly to senior leadership when the situation requires
• Strong problem solving, decision making and collaboration skills
• Functional and/or technical experience in supporting security technologies including detailed knowledge of many of the following: Cloud Operations especially Azure, O365 Tenants, networking concepts & mechanisms, EDR, DLP, AV/AM, DNS, Encryption, E-Mail technologies including DMARC, DKIM, SMTP, TLS, EVM, SYSLOG, PKI, as well as a myriad of other related security and desktop technologies:
• Azure networking and platform protection
• Azure architectural design.
• Diagnostic logging & log retention and complex logging solutions with varied vendors and environments.
• Vulnerability and compliance scanning solutions and policies
• Virtual networks and Network Security Groups
• Application gateways and load balancing
• Traffic Manager and Azure DDoS protection
• Host Security and VM Hardening
• Serverless Computing (Kubernetes)
• Subscription security and policies
• Azure resource policies and resource locks
• Azure information protection
• Access control and key management for storage accounts
• Basic Scripting and Automation Skills
• Experience with CI/CD pipelines deployment, DevSecOps and Policy as Code
• Experience with Containers
• Experience with WDAC

To qualify for the role, you must have

• Bachelor’s degree in computer related field or equivalent work experience
• At least 5 years of experience in managing Information Systems and Security, including demonstratable knowledge of the various platforms and interactions
• Strong English language skills – written and verbal
• Experience in training and coaching staff in technical processes and practices
• Proven experience in configuration of the following Microsoft and Azure security services:
• Microsoft Sentinel
• Microsoft Defender XDR
• Microsoft Defender for Endpoint
• Microsoft Defender for O365
• Microsoft Defender for Identity
• Microsoft Defender for Cloud Apps
• Microsoft Defender Vulnerability Management
• Microsoft Defender for Cloud
• Microsoft Entra ID Protection
• Microsoft Data Loss Prevention (Purview)
• App Governance
• Microsoft O365 DLP
• Microsoft Intune
• Azure Monitor Log Analytics
• Azure Firewall
• Azure WAF
• Azure EventHub
• Azure Network Watcher
• Eligible to obtain and maintain Top Secret Security Clearance

Ideally, you’ll also have

• Experience with MS Exchange, O365,Azure, AWS, and GCP.
• Advanced skills in troubleshooting cloud environments
• General Knowledge of FedRAMP, NIST SP 800-53, and NIST SP 800-171 and other frameworks.
• Federal Government experience, including CMMC Maturity Level 3
• Strong ability to document processes, procedures and security controls clearly and accurately for distribution to internal teams and customers
• GSEC/CISSP or other security related generalist certification from ISC2 or GIAC
• Experience in incident, problem and change management
• Certifications:
• AZ-900: Azure Fundamentals
• AZ-500: Azure Security Technologies
• AZ-303: Azure Architect Technologies
• SANS SEC401: Security Essentials - Network, Endpoint, and Cloud
• SANS SEC 510, Public Cloud Security: AWS, Azure, and GCP
• Sans SEC 540: Cloud Security and DevSecOps Automation

As Assistant Facility Security Officer (AFSO) you will be responsible for ensuring the protection of National Security Information in accordance with the National Industrial Security Program Operating Manual (NISPOM)/32 CFR Part 117. Responsibilities include program oversight, evaluations, and educating cleared employees on promulgated government and company initiatives, policies and procedures. The candidate will serve as the primary security liaison with government agencies, sponsor representatives and integrate security solutions across business portfolios.

Your key responsibilities

• Oversee daily security operations and NISP/32 CFR Part 117 NISPOM compliance.
• Maintain and mature the facility’s industrial security program for Department of Defense (DoD) elements in compliance with applicable policies, and established regulations.
• Enforce procedures for accounting, controlling, transmitting, safeguarding, and destroying classified information.
• Support a security education, training, and awareness program.
• Support the FSO with preparing reports and presentations for all levels of Management.
• Maintains data compliance in DISS, NISS, NBIS, SWFT and other system of records.
• Maintain and update Standard Practices and Procedures (SPP) documentation.
• Support and mature the NISP annual security self-inspection, coordinating with internal stakeholders and DCSA representatives.
• Provide support for classified meetings, including coordination and visitor management (e.g., processing Visitor Approval Requests (VARs)).
• Lead security incident investigations in accordance with EY policy, NISPOM/32 CFR Part 117, and DCSA guidelines, collaborating with internal and external stakeholders.
• Analyze and validate security processes, procedures, and standards to ensure compliance, identify trends and root-causes and facilitate multi-disciplinary teams to address gaps.
• Prepare, track, and maintain Prime and Subcontractor DD-254s forms to ensure accuracy of security requirements. Coordinate with applicable stakeholders to facilitate actions necessary to execute and update such documentation.
• Demonstrate professionalism, independent engagement, and collaboration with peers and external personnel to ensure adherence to regulations and guidelines.
• Exhibit strong decision-making, individual initiative, organizational skills, and the ability to function with minimal supervision.

Skills and attributes for success

• The AFSO must be a strategic thinker who can exercise independent judgment and knowledge to manage risks, deliver Industrial security support and align security solutions with business needs.
• Candidate will collaborate with Senior security staff, employees and government clients to meet objectives while ensuring EY security program remains effective, compliant with Defense Counterintelligence and Security Agency (DCSA) standards, and aligned with corporate security requirements
• In addition to technical expertise and independent initiative, the ideal AFSO will demonstrate a collaborative spirit and the ability to work seamlessly within multidisciplinary teams. Strong interpersonal skills are essential, enabling the candidate to foster open communication, support colleagues in joint problem solving, and cultivate an environment of mutual respect and shared accountability. A commitment to partnership—both within the security staff and across business units—ensures robust information exchange, effective coordination, and unified progress toward security and organizational objectives.

To qualify for the role you must have

• Bachelor’s degree (Criminal Justice preferred) or equivalent experience
• Strong organizational and communications skills, and the ability to effectively interact with staff and customers at all levels.
• Proficiency in Microsoft Office products is required, with particular emphasis on Microsoft Access for database management and Microsoft Copilot for workflow optimization and automation.
• DCSA Center for Development of Security Excellence (CDSE) FSO Program Management for Possessing Facilities courses.
• Ability to obtain and maintain a TS/SCI Fullscope polygraph clearance
• This position has an on-site requirement of 5 days a week on-site in the Tysons, VA and Arlington, VA office locations