Lead System Security Engineer

Guidehouse•Atlanta, GA

About The Position

Key Areas & Requirements Review SC&A (Security Controls & Assessment) packages submitted by business and technical stewards to ensure completeness, accuracy, and alignment with security and compliance requirements. Submit and coordinate application security scans (e.g., vulnerability scans, SAST/DAST, dependency scans) with appropriate security teams or scanning tools. Analyze scan results , validating true positives vs. false positives and assessing risk severity and impact to the organization. Advise system owners and technical teams on remediation strategies, timelines, and best practices to address identified vulnerabilities. Track remediation progress and ensure findings are resolved in accordance with organizational security policies and SLAs. Provide security guidance throughout the system lifecycle to improve security posture and reduce recurring issues.

Requirements

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
Minimum of FIVE (5) years of experience in Risk Management Framework / Security Assessment and Authorization. RMF
Experience in developing complete ATO packages for systems; including SSP, FIPS 199, E-Authentication, PTA/PIA, Incident Response Plan, Contingency Plan, and Configuration Management Plan.
Experience in developing and conducting IR table-top tests and CP functional tests.
3+ years of experience as IT system administrator or engineer. Experience can include: System maintenance in configuration and patching for On-premise servers and databases. Deployed and managed cloud hosted environments, configured and refined network connections and security monitoring integrations. Integrated third-party SaaS products with cloud environment, or collaboration Tenants like Microsoft 365. Maintained network components from firewalls, IDS/IPS to VPN solution. Developed and deployed web application software.
Experience with conducting vulnerability scans and remediation findings.
Experience with NIST 800-53 and NIST 800-37.
Experience with cloud systems and SaaS products, and understanding of the FedRAMP requirements.
Experience with security monitoring tools (e.g., Splunk, Tenable, BigFix, Microsoft Purview, Symantec DLP, Sentinel, CloudWatch, Security Center).
Experience reporting to executives’ system risk analysis and findings. Capable of translating technical findings to meaningful and impactful risks.
At least one of the following Certifications: CISA CISSP CompTIA Security+ CE Certified Professional CompTIA Network+ CE Certified Professional Certified Cloud Certificates (AWS, Azure, and/or Google)
Experience with assessing 5 of the 8 types of platforms/systems: ICAM Solution (Active Directory, SailPoint and CyberArk experience is preferred). Network – firewalls, IDS/IPS, switches, Routers, VPN Cloud Hosting (experience with at least 2 of 3 – AWS, Azure, Google) On-premise Hosting (Windows and Linux platforms) Microsoft 365 Tenant Third Party SaaS Platforms High Performance Computing Systems AI Applications and Systems

Nice To Haves

Experience as software developer – capable of building dashboards within suites like Microsoft Power BI and Power App.
Capable of configuring APIs with security tools into dashboards (such as Tenable, Splunk, and GRC Platforms including CSAM).

Responsibilities

Review SC&A (Security Controls & Assessment) packages submitted by business and technical stewards to ensure completeness, accuracy, and alignment with security and compliance requirements.
Submit and coordinate application security scans (e.g., vulnerability scans, SAST/DAST, dependency scans) with appropriate security teams or scanning tools.
Analyze scan results , validating true positives vs. false positives and assessing risk severity and impact to the organization.
Advise system owners and technical teams on remediation strategies, timelines, and best practices to address identified vulnerabilities.
Track remediation progress and ensure findings are resolved in accordance with organizational security policies and SLAs.
Provide security guidance throughout the system lifecycle to improve security posture and reduce recurring issues.

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