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

GuidePoint Security provides trusted cybersecurity expertise, solutions and services that help organizations make better decisions and minimize risk. By taking a three-tiered, holistic approach for evaluating security posture and ecosystems, GuidePoint enables some of the nation’s top organizations, such as Fortune 500 companies and U.S. government agencies, to identify threats, optimize resources and integrate best-fit solutions that mitigate risk.

Illumio Zero Trust Segmentation Platform Engineer

General Description

We are looking for a skilled Illumio Zero Trust Segmentation Platform Engineer to support the architecting and implementation of Zero Trust Segmentation policies, including application dependency mapping, labeling frameworks, enforcement boundaries, and zone-based controls. This role will assist in the design, deployment, configurations and optimization of Illumio Core and Illumio Edge across on-premises, virtualized and cloud environments.

The Zero Trust Segmentation Platform Engineer will 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.

About the Federal Region

GuidePoint Security is the trusted partner that defense and civilian government agencies rely on to lead their cybersecurity efforts and protect their organizations. We help solve their most complex security challenges, mature security architectures, and proactively reduce risk. Our purpose-built solutions ensure compliance, safeguard critical assets, and align security with organizational objectives. Backed by deep expertise, strong partnerships, and advanced technologies, we deliver scalable, adaptive capabilities that evolve with the threat landscape so Federal agencies can lead with confidence and protect what’s next.

Roles and 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.
• Embraces emerging technologies, including AI tools, to work smarter, solve problems, and drive better business outcomes

Required Experience and Education 

• Active TS/SCI clearance; willingness to take a polygraph exam
• 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.
• 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).

Preferred Experience and Education

• 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

Travel Requirements

• 100% onsite requirement to Reston, VA OR D.C. location

Physical Requirements

• Sedentary work
• Substantial movement of the wrists, hands, and/or fingers for a minimum of 8 hours a day
• Required to have close visual acuity to view computer terminal and/or extensive reading for a minimum of 8 hours a day
• If you have additional physical requirements/changes, please discuss with HR first

“Applicants selected will be subject to a security investigation and must meet eligibility requirements for access to classified information.”

We use Greenhouse Software as our applicant tracking system and Zoom Scheduler for HR screen request scheduling. At times, your email may block our communication with you. Please be sure to check your SPAM folder so that you don't miss updates on your application.

Why GuidePoint?

GuidePoint Security is a rapidly growing, profitable, privately-held value added reseller that focuses exclusively on Information Security. Since its inception in 2011, GuidePoint has grown to over 1,300 employees, established strategic partnerships with leading security vendors, and serves as a trusted advisor to more than 6,200 customers.

Firmly-defined core values drive all aspects of the business, which have been paramount to the company’s success and establishment of an enjoyable workplace atmosphere. At GuidePoint, your colleagues are knowledgeable, skilled, and experienced and will seek to collaborate and provide mentorship and guidance at every opportunity.  

This is a unique and rare opportunity to grow your career along with one of the fastest growing companies in the nation.

Some added perks….

• Remote workforce primarily (U.S. based only, some travel may be required for certain positions, working on-site may be required for Federal positions)
• 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). If you choose the High Deductible / HSA plan, GPS will contribute in 4 equal quarterly installments: ($850 per EE annually / $1750 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