[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.ResponsibilitiesLead enterprise security engineering and modernization initiatives, from architecture and design through implementation, testing, and operational transitionDefine and maintain Zero Trust–aligned reference architectures and roadmaps across identity, device, network/environment, application/workload, and data pillars in alignment with NIST SP 800‑207Serve 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 requirementsTranslate mission and business requirements into secure, implementable technical designs and detailed engineering requirementsEngineer and modernize identity and access management (IAM/ICAM) capabilities, including MFA, SSO, identity lifecycle governance, conditional access, and privileged access managementDesign and implement endpoint and device security controls, integrating telemetry into centralized monitoring and response capabilitiesLead design and deployment of Zero Trust network capabilities, including segmentation, secure access/ZTNA, and policy enforcement integrated with identity and device postureOversee security monitoring and response modernization, including integration with SIEM/SOAR, detection engineering strategies, and automation to improve operational effectivenessMap security controls to architectures and implementations aligned to frameworks such as NIST SP 800‑53; ensure solutions generate defensible evidence for compliance and audit purposesEstablish technical governance and engineering standards, including design reviews, guardrails, and architecture decision recordsMentor and coach engineers and consultants; conduct peer reviews and reinforce technical quality and delivery excellenceDevelop and deliver clear technical documentation, including architecture diagrams, implementation plans, and executive‑level briefsSupport business development activities through technical solutioning, proposal contributions, and client presentationsSkillsMust 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 preferredBachelor'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 modernizationRequired 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 principlesProven 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 environmentsExcellent written and verbal communication skills, including the ability to brief technical and executive stakeholdersExperience implementing Zero Trust capabilities in federal environments aligned to the CISA Zero Trust Maturity Model or agency Zero Trust strategiesExperience with leading security platforms across IAM, ZTNA/SSE, EDR/XDR, and SIEM/SOAR ecosystemsFamiliarity with cloud security architectures and hybrid enterprise environmentsAdditional certifications such as CCSP, CISM, GIAC, or cloud provider security credentialsPrior consulting experience with responsibility for delivery leadership and client engagementBenefitsMedical, Rx, Dental & Vision InsurancePersonal and Family Sick Time & Company Paid HolidaysPosition may be eligible for a discretionary variable incentive bonusParental Leave and Adoption Assistance401(k) Retirement PlanBasic Life & Supplemental LifeHealth Savings Account, Dental/Vision & Dependent Care Flexible Spending AccountsShort-Term & Long-Term DisabilityStudent Loan PayDownTuition Reimbursement, Personal Development & Learning OpportunitiesSkills Development & CertificationsEmployee Referral ProgramCorporate Sponsored Events & Community OutreachEmergency Back-Up Childcare ProgramMobility StipendCompany OverviewGuidehouse offers consulting services for public and commercial markets with expertise in management, technology, and risk consulting. It was founded in 2018, and is headquartered in Washington, District of Columbia, USA, with a workforce of 10001+ employees. Its website is https://guidehouse.com.