Job Family:
Cyber Consulting
Travel Required:
Up to 10%
Clearance Required:
Active Top Secret SCI with Polygraph
What You Will Do:
Our Cybersecurity Consultants are a team of business integrators with extensive consulting and industry experience who help our clients solve their complex business issues from strategy through execution. A career in an integrated team of developers and consultants provides the opportunity to grow and contribute to our clients' business issues every day, applying a collection of security spectrum capabilities, including security strategy and governance, IT risk, security technologies, and cybercrime and breach response.
We are seeking a highly experienced Information Security Systems Officer (ISSO)– to support a major federal initiative. The ISSO serves as a technical and compliance lead, guiding system owners, engineers, and security teams through RMF, ATO, and continuous monitoring activities. This role is responsible for interpreting policy, providing authoritative security guidance, leading audits, and evaluating complex systems across hybrid cloud and onpremises environments. The ISSO will mentor junior staff and ensure that systems maintain full compliance with federal requirements, NIST security controls, and agencyspecific governance.
Responsibilities include, but are not limited to:
- Lead design and engineering of secure cloud architectures across AWS, Azure, and hybrid environments.
- Implement and validate NIST 80053 security controls and cloudnative security services (IAM, encryption, segmentation, logging).
- Conduct cloud threat modeling, risk assessments, and architecture reviews.
- Oversee cloud configuration baselines using STIGs, CIS Benchmarks, and SCAP.
- Drive cloud vulnerability and compliance efforts using ACAS/Nessus and cloudsecurity posture tools.
- Support RMF engineering activities including boundary definition, inheritance documentation, and authorization packages.
- Integrate cloudsecurity capabilities such as Sentinel, Splunk, and SIEM logging pipelines.
- Guide DevSecOps teams on secure CI/CD, container security, and infrastructureascode validation.
- Produce cloud architecture diagrams, design documentation, and engineering artifacts.
- Mentor junior and midlevel ISSEs and act as a technical escalation point for cloud engineering issues.
What You Will Need:
- Bachelor27s degree from an accredited university.
- Minimum of FIVE (5) years of work experience in cybersecurity or secure systems engineering experience, including cloud architecture.
- An ACTIVE and MAINTAINED TS/SCI Poly Federal or DoD securityclearance with a (COUNTERINTELLIGENCE (CI) polygraph- OR - FULL SCOPE (FS/FSP) polygraph).
- US Citizenship is contractually required.
- Strong understanding of security frameworks and compliance standards (e.g., NIST, RMF SP 800-53 Rev 5, DoD 8570).
- Proven experience in designing and implementing enterprise security tools such as SIEM (e.g., Splunk), vulnerability scanners (e.g., Nessus), and endpoint protection platforms (e.g., Crowdstrike).
- Demonstrated ability to lead cross-functional teams and complex technical projects.
- Strong analytical and problem-solving skills.
- Excellent communication skills with the ability to convey technical concepts to non-technical stakeholders.
What Would Be Nice To Have:
- Bachelor27s degree from an accredited university in Cybersecurity, Information Systems, Computer Engineering, or related technical field.
- Master27s Degree in relevant cybersecurity or IT field.
- One or more of the following certifications:
- Certified Information Systems Security Professional (CISSP)
- Certified in Risk and Information Systems Controls (CRISC)
- Certified Authorization Professional (CAP) / Certified in Governance, Risk and Compliance (CGRC)
- Certified Information Systems Auditor (CISA)
- Familiarity with scripting or automation (PowerShell, Python, Bash) is a plus
- Hands-on experience with network security, cryptography, and/or identity management.
- Project Management Professional (PMP) or Scaled Agile Framework (SAFe) certification for managing cybersecurity projects in Agile environments.
What We Offer:
Guidehouse offers a comprehensive, total rewards package that includes competitive compensation and a flexible benefits package that reflects our commitment to creating a diverse and supportive workplace.
Benefits include:
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
