Lead Security Engineer – SME

Essnova Solutions, Inc.

. Provide senior-level security engineering expertise for complex enterprise technology environments .

Posted 9/25/2026full-timeUnited StatesSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Expertise in implementing Zero Trust Architecture (ZTA) principles and applying federal cybersecurity requirements to system architecture. Proficient in security risk assessment, technical controls, and compliance documentation within complex enterprise environments.

Highest-signal resume keywords

Zero Trust Architecture (ZTA)CISSP CertificationCCSP CertificationNIST SP 800-53Federal Security Authorization/ATO Processes

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Cyber Security Assessment and Management (CSAM)Risk Management Framework (RMF)Security DocumentationTechnical ControlsSystem Modernization

Soft Skills

CollaborationCommunication

Certifications & Qualifications

CISSPCCSPCISMCISA

Industry Keywords

Federal Cybersecurity RequirementsExecutive Order 14028OMB M-22-09Security EngineeringCybersecurity Stakeholders

Tech Stack

Tools & technologies

CloudCyber Security

About the role

Key responsibilities & impact

Provide senior-level security engineering expertise for complex enterprise technology environments
Support implementation and advancement of Zero Trust Architecture (ZTA) principles
Apply federal cybersecurity and risk-management requirements to system architecture and engineering activities
Support security authorization and assessment activities
Collaborate with systems engineers, architects, developers, cloud teams, and cybersecurity stakeholders
Incorporate security requirements throughout system modernization and development activities
Support technical security documentation and compliance efforts
Identify security risks and recommend appropriate technical controls and mitigation strategies

Requirements

What you’ll need

15+ years of relevant cybersecurity/security engineering experience
Active CISSP certification – required
Active CCSP certification – required
Demonstrated experience with Zero Trust Architecture (ZTA)
Demonstrated experience with NIST SP 800-53
Demonstrated experience with NIST SP 800-37
Demonstrated experience with federal security authorization/ATO processes
Demonstrated experience with Cyber Security Assessment and Management (CSAM)
Knowledge of federal cybersecurity requirements, including Executive Order 14028 and OMB M-22-09
Candidates must be located in the DC/MD/VA area or be willing to commute to Suitland
CISM and CISA are preferred qualifications