[Remote] Senior Security Engineer

Note: The job is a remote job and is open to candidates in USA. Guidehouse is a consulting firm that partners with federal and regulated commercial clients in cybersecurity. As a Senior Security Engineer, you will lead enterprise security modernization initiatives and serve as a technical authority for complex security control deployments, ensuring effective implementation of security capabilities across the enterprise.

Responsibilities

• Lead enterprise security engineering and modernization initiatives, from architecture and design through implementation, testing, and operational transition
• Define and maintain Zero Trust–aligned reference architectures and roadmaps across identity, device, network/environment, application/workload, and data pillars in alignment with NIST SP 800‑207
• Serve as the technical authority for complex security control deployments, approving implementation patterns, resolving cross‑domain design issues, and ensuring solutions meet enterprise security, scalability, and operational requirements
• Translate mission and business requirements into secure, implementable technical designs and detailed engineering requirements
• Engineer and modernize identity and access management (IAM/ICAM) capabilities, including MFA, SSO, identity lifecycle governance, conditional access, and privileged access management
• Design and implement endpoint and device security controls, integrating telemetry into centralized monitoring and response capabilities
• Lead design and deployment of Zero Trust network capabilities, including segmentation, secure access/ZTNA, and policy enforcement integrated with identity and device posture
• Oversee security monitoring and response modernization, including integration with SIEM/SOAR, detection engineering strategies, and automation to improve operational effectiveness
• Map security controls to architectures and implementations aligned to frameworks such as NIST SP 800‑53; ensure solutions generate defensible evidence for compliance and audit purposes
• Establish technical governance and engineering standards, including design reviews, guardrails, and architecture decision records
• Mentor and coach engineers and consultants; conduct peer reviews and reinforce technical quality and delivery excellence
• Develop and deliver clear technical documentation, including architecture diagrams, implementation plans, and executive‑level briefs
• Support business development activities through technical solutioning, proposal contributions, and client presentations

Skills

• Must be able to OBTAIN and MAINTAIN a Federal or DoD 'PUBLIC TRUST'; candidates must obtain approved adjudication of their PUBLIC TRUST prior to onboarding with Guidehouse. Candidates with an ACTIVE PUBLIC TRUST or SUITABILITY and maintain an active HHS/NIH clearance are preferred
• Bachelor's degree in Cybersecurity, Information Systems, Computer Science, or a related field (additional relevant experience may substitute for formal education)
• Minimum of NINE (9) years of progressively responsible experience in security engineering, cybersecurity architecture, or enterprise security modernization
• Required certifications: CompTIA Security+ (active), Certified Information Systems Security Professional (CISSP) (active)
• Demonstrated experience designing and delivering Zero Trust–aligned architectures, with working knowledge of NIST SP 800‑207 principles
• Proven experience acting as a technical lead or authority across multiple security domains (identity, endpoint, network, cloud, and monitoring)
• Strong understanding of security frameworks, governance, and compliance practices within enterprise or federal environments
• Excellent written and verbal communication skills, including the ability to brief technical and executive stakeholders
• Experience implementing Zero Trust capabilities in federal environments aligned to the CISA Zero Trust Maturity Model or agency Zero Trust strategies
• Experience with leading security platforms across IAM, ZTNA/SSE, EDR/XDR, and SIEM/SOAR ecosystems
• Familiarity with cloud security architectures and hybrid enterprise environments
• Additional certifications such as CCSP, CISM, GIAC, or cloud provider security credentials
• Prior consulting experience with responsibility for delivery leadership and client engagement

Benefits

• Medical, Rx, Dental & Vision Insurance
• Personal and Family Sick Time & Company Paid Holidays
• Position may be eligible for a discretionary variable incentive bonus
• Parental Leave and Adoption Assistance
• 401(k) Retirement Plan
• Basic Life & Supplemental Life
• Health Savings Account, Dental/Vision & Dependent Care Flexible Spending Accounts
• Short-Term & Long-Term Disability
• Student Loan PayDown
• Tuition Reimbursement, Personal Development & Learning Opportunities
• Skills Development & Certifications
• Employee Referral Program
• Corporate Sponsored Events & Community Outreach
• Emergency Back-Up Childcare Program
• Mobility Stipend

Company Overview