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DeNOVO Solutions, LLC · 16 hours ago

Information Systems Security Engineer (ISSE) – Sr

Aurora, CO

Full-time

Onsite

Senior Level, Lead/Staff

$150K/yr - $175K/yr

10+ years exp

DeNOVO Solutions is seeking a Senior Information Systems Security Engineer (ISSE) to lead security engineering design and validation for hybrid and classified systems. In this role, you will define and implement advanced controls aligned to NIST 800-53 and DoD IA frameworks, ensuring systems meet rigorous accreditation and compliance standards.

Information ServicesInformation Technology

Growth Opportunities

No H1B

Security Clearance Required

U.S. Citizen Only

Responsibilities

Lead the development of secure architectures and compliance baselines for hybrid and classified systems

Perform penetration testing, risk analysis, and system configuration reviews

Advise development teams on secure design and coding best practices

Coordinate with ISSMs and Authorizing Officials (AOs) to ensure accreditation and RMF readiness

Review RMF packages for accuracy and completeness, mentoring junior engineers on process adherence

Qualification

NIST 800-53DoD IA frameworksSecurity risk managementEMASSSplunk Enterprise SecurityPenetration testingSecure codingCompliance automationRisk analysisMentoring

Required

Expertise in NIST 800-53, CNSSI 1253, and DoD 8500 series control frameworks

Proficiency with eMASS, ACAS, Nessus, Tenable.sc, and STIG automation tools

Experience with Splunk Enterprise Security and compliance automation platforms

Strong background in security risk management and secure systems engineering

Experience: 10–15 years of related professional experience supporting programs and contracts of similar scope, type, and complexity

Education: Bachelor's degree in Information Technology or a related discipline (Cybersecurity, Network Administration, Network Engineering, Engineering, or Computer Science)

In lieu of a Bachelor's degree, two additional years of related experience may be substituted. A Master's degree in a related engineering discipline may be substituted for two years of experience

A PhD in a related engineering discipline may be substituted for an additional two years of experience

Certifications: Security+ Required

Clearance: TS/SCI with Polygraph

Preferred

CISSP Preferred

Benefits

Medical, Dental, and Vision Premiums 100% Employer Paid for you and your legal dependents or plus up, cost split plan.

DeNOVO Paid Health Reimbursement Account (HRA)

401k with 6% Match

11 Paid Federal Holidays

120 hours of Paid Time Off (PTO)

Company Outings and Trips

Tuition Reimbursement, Skillset Training, and New/Renewed Certification assistance

HomeFundIt Company Down Payment Match – Employer match towards the down payment of buying a new home

Company

DeNOVO Solutions, LLC

DeNOVO Solutions, LLC is a Minority/Service Disabled Veteran Owned Small Business (SDVOSB) that delivers trusted professional and engineering services throughout the Intelligence Community (IC).

Founded in 2012

Centennial, Colorado, USA

51-200 employees