Guidehouse is seeking a Security Engineer to join our team.
Ensure advanced AI-driven platforms meet stringent federal security and compliance requirements, including FedRAMP High, RMF, and NIST standards.
Act as a key liaison between engineering teams and security stakeholders, drive risk identification and remediation, and support accreditation activities.
Deliver secure, resilient solutions that enable trusted decision-making in support of national security objectives.
Develop RMF documentation, support POA&M management, conduct vulnerability assessments, and ensure secure baseline configurations.
Validate secure configuration of AWS GovCloud services, EKS clusters, container runtimes, VPC boundaries, IAM policies, and workload identities.
Embed secure coding, least-privilege access enforcement, input validation, and hardened model-serving workflows across all development teams.
Prepare system artifacts for assessments, security testing, authorization reviews, and continuous monitoring updates.
Collaborate with adjudicators, mission SMEs, and operations teams to ensure evidence tracking, audit logging, and data-handling workflows support mission needs.

Requirements

Bachelor’s degree or additional four years of experience in lieu of degree.
5+ years of cybersecurity engineering experience, including 3+ years supporting RMF, FedRAMP, CJIS, or ATO systems.
Knowledge of NIST 800-53 controls, FedRAMP High requirements, AWS GovCloud security patterns, IAM, encryption (KMS/TLS), logging pipelines, and vulnerability scanning tools.
Experience writing ATO documentation, control statements, risk assessments, and boundary artifacts.
Strong communication skills supporting collaboration with engineers and mission stakeholders.
Must be US Citizen.
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 are preferred.

Benefits

Medical, Rx, Dental & Vision Insurance
Personal and Family Sick Time & Company Paid Holidays
Parental Leave
401(k) Retirement Plan
Group Term Life and Travel Assistance
Voluntary Life and AD&D Insurance
Health Savings Account, Health Care & Dependent Care Flexible Spending Accounts
Transit and Parking Commuter Benefits
Short-Term & Long-Term Disability
Tuition Reimbursement, Personal Development, Certifications & Learning Opportunities
Employee Referral Program
Corporate Sponsored Events & Community Outreach
Care.com annual membership
Employee Assistance Program
Supplemental Benefits via Corestream (Critical Care, Hospital Indemnity, Accident Insurance, Legal Assistance and ID theft protection, etc.)
Position may be eligible for a discretionary variable incentive bonus

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

cybersecurity engineeringRMFFedRAMPNIST standardsvulnerability assessmentssecure codingencryptionrisk assessmentsATO documentationlogging pipelines

Soft Skills

communicationcollaborationrisk identificationremediationstakeholder engagementevidence trackingaudit loggingdata-handling workflows

Certifications

Bachelor's degreeFederal or DoD PUBLIC TRUST