Senior ISSE: TS/SCI Container Security & DevSecOps Engineer

ENS Solutions, LLC; Reston (VA); On-site; USD 150,000 - 190,000; Full time

Benefits offered by this job

Free platinum-level medical/dental/eye

401k contribution from day 1

PTO + 11 paid federal holidays

Disability insurance

Group term life insurance

Tuition, certification & professional‑

Job summary

ENS Solutions, LLC is seeking a Sr. Information Systems Security Engineer (ISSE) to safeguard our digital assets.

The role focuses on container security, service mesh, and microservices, integrating security into CI/CD and DevSecOps while aligning with RMF and FedRAMP requirements. Ideal candidates have TS/SCI with CI Poly, CISSP, and 7+ years in cybersecurity engineering designing and auditing security controls across containerized environments.

Qualifications

• Active TS/SCI with CI Poly security clearance.
• CISSP or equivalent certification to support DoD 8140 requirements.
• Bachelor’s degree in Computer Science, Information Security, or a related field.
• 7+ years of experience designing and building security controls with continuous monitoring and auditing for compliance (NIST RMF, 800-53, ICD 503, FISMA, FedRAMP).
• Strong skills in log collection and querying with Splunk.
• Experience with Fortify, Acunetix, Prisma Cloud.
• Hands-on experience in containerized/Kubernetes/DevSecOps IL5/IL6+ environments.
• Experience with periodic security checks for continuous monitoring per NIST RMF.
• Good understanding of network protocols, OS, and infrastructure.
• Excellent communication with technical and non-technical stakeholders.

Responsibilities

• Serve as security engineering SME for containerized environments, service mesh, and microservices.
• Implement and manage security controls for container workloads (image scanning, firewalls, IDS/IPS, RBAC, network segmentation).
• Integrate security into CI/CD and DevSecOps, align with RMF/NIST 800-53/ICD 503/FedRAMP.
• Configure and optimize security monitoring and logging (Prisma Cloud, Splunk).
• Monitor logs and alerts, investigate incidents, and develop incident response plans.
• Perform threat analysis and risk assessments to identify emerging threats.
• Collaborate with platform engineers, ISSOs, developers, IT, and compliance to embed security.
• Conduct security assessments of orchestration platforms, microservices, APIs; propose mitigations.
• Maintain documentation on security architecture, controls, configurations, and monitoring.

Skills

Security engineering

Container security

DevSecOps

Threat analysis

Incident response

Cross-functional collaboration

Education

Bachelor’s degree in Computer Science, Information Security, or a related field

CISSP or equivalent certification

Tools

Splunk

Fortify

Acunetix

Prisma Cloud

Kubernetes

Job description

ENS Solutions, LLC is seeking a Sr. Information Systems Security Engineer (ISSE) to safeguard our digital assets.

The role focuses on container security, service mesh, and microservices, integrating security into CI/CD and DevSecOps while aligning with RMF and FedRAMP requirements. Ideal candidates have TS/SCI with CI Poly, CISSP, and 7+ years in cybersecurity engineering designing and auditing security controls across containerized environments.