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GuidePoint Security · 4 weeks ago

Illumio Zero Trust Segmentation Platform Engineer - TS/SCI CI Poly

Reston, VA

Full-time

Onsite

Senior Level

5+ years exp

GuidePoint Security provides trusted cybersecurity expertise, solutions and services that help organizations make better decisions and minimize risk. This role requires an experienced Illumio Zero Trust Segmentation Platform Engineer to lead the design, implementation, and operational support of the enterprise micro-segmentation strategy, influencing architectural decisions and safeguarding mission-critical systems.

Cyber SecurityInformation TechnologySecurity

Comp. & Benefits

No H1B

Security Clearance Required

U.S. Citizen Only

Responsibilities

Lead 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

Qualification

Illumio Adaptive Security PlatformZero Trust SegmentationCloud environments AWSCloud environments AzureCloud environments GCPLinux/Windows systemsNetwork securityInfrastructure automation toolsREST APIsAnalytical skillsIllumio certificationsCMDB systemsProblem-solving skills

Required

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 with network security (firewalls, routing, segmentation models, TCP/IP)

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. Years of experience may be accepted in lieu of degree

Active DoD 8570.01-M Information Assurance Technician (IAT) Level II Certification, including Security+ CE, CCNA-Security, GSEC, SSCP, CySA+, GICSP, or CND

Ability to obtain a DoD 8570.01-M Cybersecurity Service Provider - Infrastructure Support Certification, including CEH, CySA+, GICSP, SSCP, CHFI, CFR, Cloud+, or CND certification within 30 days of start date

Preferred

Prior Hands-on experience deploying and managing Illumio Adaptive Security Platform (ASP) in enterprise environments

Illumio certifications (e.g., Illumio ASP Professional or Expert)

Experience with CMDB systems (ServiceNow), SIEM/SOAR tools, or vulnerability management platforms

Strong understanding of Zero Trust principles, micro-segmentation, and lateral movement mitigation

Strong analytical and problem-solving skills with the ability to translate policies into technical controls

Benefits

Group Medical Insurance options: Zero Deductible PPO Plan (GuidePoint pays 90% of the premium for employees and 70% for family plans (spouse/children/family) or High Deductible Health Plan with HSA (GuidePoint pays 100% of the employees premiums and 75% for family plans (spouse/children/family) and GPS will contribute in one lump sum: ($500 per EE annually / $1000 per family annually (includes spouse/children/family options)

Group Dental Insurance: GuidePoint pays 100% of the premium for employees and 75% of family plans

12 corporate holidays and a Flexible Time Off (FTO) program

Healthy mobile phone and home internet allowance

Eligibility for retirement plan after 2 months at open enrollment

Pet Benefit Option