Illumio Zero Trust Engineer - Active TS/SCI with CI Poly

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

Benefits offered by this job

Medical/Dental/Vision coverage

401k from Day 1

PTO + 11 federal holidays

Disability Insurance

Life Insurance

Education & Certification assistance

Relocation assistance

Job summary

ENS Solutions, LLC in Reston, VA is seeking a senior Illumio engineer to design, deploy, and optimize Illumio Core and Illumio Edge across on‑prem, virtualized, and cloud environments. You will help architect Zero Trust Segmentation, map dependencies, label resources, and enforce boundaries to protect enterprise workloads and critical applications.

The role involves integrating Illumio with SIEM/SOAR, CMDB, and vulnerability tools, analyzing VEN telemetry, building policy recommendations, and

Qualifications

• 5+ years in cybersecurity, cloud security, or infrastructure engineering.
• 3+ years Linux/Windows, virtualization, and cloud environments (AWS/Azure/GCP).
• 1+ year experience with infrastructure automation tools (Ansible, Terraform, or similar).
• 1+ year experience with REST APIs and scripting (Python, Bash, PowerShell).
• Active TS/SCI clearance; willingness to take a polygraph exam.
• Education: Associate/Bachelor/Master with IT project experience; DoD TS/SCI preferred.

Responsibilities

• Assist in design, deployment, configuration, and optimization of Illumio Core and Illumio Edge across on-premises, virtualized, and cloud environments.
• Architect and implement Zero Trust Segmentation policies, including application dependency mapping, labeling frameworks, enforcement boundaries, and zone-based controls.
• Develop Illumio workflows, runbooks, dashboards, and segmentation models for enterprise workloads and critical applications.
• Integrate Illumio with SIEM/SOAR, CMDB, C2C, vulnerability scanners, cloud-native controls, and enterprise automation pipelines.
• Conduct traffic flow analysis and build policy recommendations to reduce attack surface and limit east-west movement.
• Collaborate with security architects to align Illumio policy models with broader Zero Trust and NIST 800-207 strategies.

Skills

Cybersecurity

Cloud security

Infrastructure engineering

Linux/Windows systems

Automation tooling

REST APIs / scripting

TS/SCI clearance

CSSP-IS readiness

Education

Associate’s degree

Bachelor’s degree

Master’s degree

Tools

Ansible

Terraform

Job description

Assist in the design, deployment, configuration, and optimization of Illumio Core and Illumio Edge across on-premises, virtualized, and cloud environments. Support the architecting and implementation of Zero Trust Segmentation policies, including application dependency mapping, labeling frameworks, enforcement boundaries, and zone-based controls. Develop Illumio workflows, runbooks, dashboards, and segmentation models for enterprise workloads and critical applications. Integrate Illumio with SIEM, SOAR, CMDB, C2C, vulnerability scanners, cloud-native controls, and enterprise automation pipelines.

Conduct traffic flow analysis using Illumio VEN telemetry and assist in building policy recommendations to reduce attack surface and limit east-west movement. Troubleshoot system performance, VEN installation issues, policy conflicts, and platform health across distributed infrastructure. Partner with application owners to onboard workloads, validate segmentation plans, and support change management processes. Perform lifecycle management, including upgrades, health checks, certificate operations, and policy governance. Collaborate with security architects to align Illumio policy models with broader Zero Trust and NIST 800-207 strategies. Contribute to architectural standards, documentation, and enterprise security playbooks.

Key Responsibilities

• Assist in the design, deployment, configuration, and optimization of Illumio Core and Illumio Edge across on-premises, virtualized, and cloud environments.
• Architect and implement Zero Trust Segmentation policies, including application dependency mapping, labeling frameworks, enforcement boundaries, and zone-based controls.
• Develop Illumio workflows, runbooks, dashboards, and segmentation models for enterprise workloads and critical applications.
• Integrate Illumio with SIEM/SOAR, CMDB, C2C, vulnerability scanners, cloud-native controls, and enterprise automation pipelines.
• Conduct traffic flow analysis using Illumio VEN telemetry and build policy recommendations to reduce attack surface and limit east-west movement.
• Troubleshoot system performance, VEN installation issues, policy conflicts, and platform health across distributed infrastructure.
• Partner with application owners to onboard workloads, validate segmentation plans, and support change management processes.
• Perform lifecycle management: upgrades, health checks, certificate operations, and policy governance.
• Collaborate with security architects to align Illumio policy models with broader Zero Trust and NIST 800-207 strategies.
• Contribute to architectural standards, documentation, and enterprise security playbooks.

• 5+ years in cybersecurity, cloud security, or infrastructure engineering.

• 3+ years of expertise in Linux/Windows systems, virtualization (VMware, Hyper-V), and cloud environments (AWS, Azure, or GCP).
• 2+ years of experience developing and deploying solutions for highly regulated mission-critical environments (finance, healthcare, federal, or energy).
• 1+ year experience with infrastructure automation tools (Ansible, Terraform, or similar).
• 1+ year experience with REST APIs, scripting (Python, Bash, PowerShell), or automation frameworks.
• Active TS/SCI clearance; willingness to take a polygraph exam
• Associate’s degree and 5+ years of experience supporting IT projects and activities, Bachelor’s degree and 3+ years of experience supporting IT projects and activities, or Master’s degree and 1+ years of experience supporting IT projects and activities
• Ability to obtain a DoD 8570.01-M Cybersecurity Service Provider - Infrastructure Support (CSSP-IS) Certification, including CEH, CySA+, GICSP, SSCP, CHFI, CFR, Cloud+, or CND certification within 30 days of offer accept
• Ability to obtain a DoD 8570 IAT Level III Certification such as SecurityX (formerly CASP+), CCNP Security, CISA, CISSP (or Associate), GCED, GCIH, CCSP certification within 45 days of CSSP-IS date (or offer accept if candidate already has CSSP-IS Cert).

Additional Qualifications:

• Experience deploying and managing Illumio Adaptive Security Platform (ASP) in enterprise environments
• Experience with CMDB systems such as ServiceNow, SIEM and SOAR tools, or vulnerability management platforms
• Knowledge of Zero Trust principles, micro-segmentation, and lateral movement mitigation
• Ability to translate policies into technical controls
• Possession of strong analytical and problem-solving skills
• Illumio certifications such as Illumio Platform Associate, Illumio Platform Specialist, Illumio Platform Expert, or Illumio Platform On-Prem PCE Administrator

Essential Network Security (ENS) Solutions, LLC is a service-disabled veteran owned, highly regarded IT consulting and management firm. ENS consults for the Department of Defense (DoD) and Intelligence Community (IC) providing innovative solutions in the core competency area of Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security, System Engineering, Program/Project Management, IT support, Solutions, and Services that yield enduring results. Our strong technical and management experts have been able to maintain a standard of excellence in their relationships while delivering innovative, scalable and collaborative infrastructure to our clients.

Why ENS?

• Free Platinum-Level Medical/Dental/Vision coverage, 100% paid for by ENS
• 401k Contribution from Day 1
• PTO + 11 Paid Federal Holidays
• Long & Short Term Disability Insurance
• Group Term Life Insurance
• Tuition, Certification & Professional Development Assistance
• Workers’ Compensation
• Relocation Assistance

Candidate AI Usage Policy

AI tools are an important part of daily work at ENS Solutions, and we are committed to their responsible and ethical use. To ensure a fair and equitable candidate evaluation based on individual skills, knowledge, and experience, candidates are not permitted to use artificial intelligence or other assistive tools during interviews, whether in person or virtual, unless explicit permission has been granted in advance.