ISSO DoW SkillBridge: Cloud Security & RMF Lead

Guidehouse; Washington (District of Columbia); On-site; USD 85,000 - 141,000; Full time

Benefits offered by this job

Medical, Rx, Dental & Vision Insurance

401(k) Retirement Plan

Tuition Reimbursement

Mobility Stipend

Parental Leave and Adoption Assistance

Job summary

Guidehouse is seeking an Information Security Systems Officer (ISSO) to lead RMF/ATO activities for a major federal initiative in Washington, DC. You will guide system owners, engineers, and security teams through cloud and on‑prem environments, ensuring policy interpretation, audits, and compliant governance across NIST controls.

Responsibilities include designing secure cloud architectures across AWS/Azure, implementing NIST 800‑53 controls, and mentoring ISSEs.

Qualifications

• Active Secret clearance required.
• Bachelor’s degree from an accredited university.
• Must be eligible for DoW SkillBridge or HOH SkillBridge program as per command letter.
• Within 180 days of separation or retirement from U.S. Armed Forces.
• On track to receive an Honorable Discharge.
• 1–7 years cybersecurity/secure systems engineering experience, including cloud architecture.
• Strong understanding of security frameworks and compliance standards (NIST RMF 800-53 Rev 5, DoD 8570).
• Experience with enterprise security tools (SIEM like Splunk, Nessus, CrowdStrike).
• Ability to lead cross‑functional teams and complex projects.
• Excellent communication skills; able to explain technical concepts to non‑tech stakeholders.
• Onsite work in Guidehouse or client offices.

Responsibilities

• Lead secure cloud architecture design across AWS, Azure, and hybrid environments.
• Implement and validate NIST 800-53 controls and cloud security services (IAM, encryption, segmentation, logging).
• Conduct cloud threat modeling, risk assessments, and architecture reviews.
• Oversee cloud baselines using STIGs, CIS Benchmarks, and SCAP.
• Drive cloud vulnerability and compliance with ACAS/Nessus and cloud‑security tools.
• Support RMF engineering activities including boundary definition and authorization packages.
• Integrate cloud‑security capabilities (Sentinel, Splunk, SIEM pipelines).
• Guide DevSecOps teams on secure CI/CD and infrastructure‑as‑code validation.
• Produce cloud architecture diagrams and engineering artifacts.
• Mentor junior ISSEs and serve as technical escalation point.

Skills

RMF

NIST 800-53

DoD 8570

SIEM Splunk

Nessus

CrowdStrike

Cloud architecture

AWS/Azure

Leadership

Communication

Education

Bachelor’s degree

Master’s degree (nice to have)

Tools

ACAS

SCAP

STIGs

CIS Benchmarks

Job description

Guidehouse is seeking an Information Security Systems Officer (ISSO) to lead RMF/ATO activities for a major federal initiative in Washington, DC. You will guide system owners, engineers, and security teams through cloud and on‑prem environments, ensuring policy interpretation, audits, and compliant governance across NIST controls.

Responsibilities include designing secure cloud architectures across AWS/Azure, implementing NIST 800‑53 controls, and mentoring ISSEs.