Illumio Network Security Engineer

Prattwhitney; South Carolina; Hybrid; USD 107,500 - 204,500; Full time

Job summary

RTX Corporation is seeking an Illumio Network Security Engineer to design, document, and implement Illumio solutions within the Directory Management Protection team. You will engage with RTX business units to assess security issues and implement firewall deployments from a policy perspective.

The role requires strong Illumio expertise with at least three years of firewall management experience and a solid networking background.

Qualifications

• Requires university degree or equivalent plus 8+ years experience, or advanced degree with 5+ years.
• Experience implementing Illumio Core in an enterprise setting.
• Strong networking and firewall knowledge; DNS/DHCP/IPAM familiarity.
• Ability to document designs and procedures.

Responsibilities

• Design, document and implement an Illumio solution with DR planning.
• Develop operational procedures for Illumio security policies and troubleshoot.
• Design and enforce micro-segmentation via Illumio policies.
• Create and manage security policies to limit lateral threat movement.
• Analyze dependencies and traffic to optimize segmentation.
• Troubleshoot Illumio agent and resolve network issues.
• Ensure deployments meet regulatory requirements.
• Leverage automation with Python and REST APIs for policy deployment and reporting.

Skills

Illumio firewall

Firewall management

Networking

DNS/DHCP/IPAM

Python/REST APIs

Documentation

Education

University degree or equivalent

Tools

Illumio Core

Azure

AWS

Linux

ICE

CompTIA Network+

CompTIA Security+

Job description

Date Posted: 2026-07-29 Country: United States of America Location: US-SC-REMOTE Position Role Type: Remote U.S. Citizen, U.S. Person, or Immigration Status Requirements: U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract. Security Clearance Type: None/Not Required Security Clearance Status: Not Required

RTX Corporation is an Aerospace and Defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace Systems, Pratt & Whitney, and Raytheon. Its 185,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, VA.

Summary of Role

The RTX Directory Management Protection organization is currently recruiting for an Illumio Network Security Engineer. The successful candidate for this position will be expected to design, document, and implement an Illumio solution, engage with internal RTX business units to evaluate network security issues, propose design options, and work with network engineers to implement new firewall deployments from a network and security policy perspective. The candidate is expected to be proficient in Illumio firewall architecture and administration with at least three years of firewall management experience and a strong networking background. Expertise in DNS, DHCP and IP Address Management systems is also important.

What You Will Do

• Design, document and implement an Illumio solution, including application currency and disaster recover planning and execution
• Develop operational procedures related to managing security policies within Illumio and troubleshooting issues related to Illumio configurations
• Design and implement micro-segmentation solutions through Illumio segmentation policies
• Develop and manage security policy to minimize lateral movement of threats across internal network
• Analyze and map application dependencies and traffic flow to ensure optimal segmentation
• Troubleshoot Illumio agent
• Diagnose and resolve network performance issues
• Ensure deployments meet regulatory compliance requirements
• Experience with automation and scripting (Python, REST APIs) for policy deployment, validation, and compliance reporting

Qualifications You Must Have

Typically requires a University Degree or equivalent experience and a minimum 8 years of experience, or an Advanced Degree and a minimum 5 years experience.

Qualifications We Prefer

• Experience implementing and managing the Illumio Core product in an enterprise environment
• Strong understanding of network protocols and firewall technologies
• Knowledge of micro-segmentation strategies and enforcement using policy-based security model
• Strong documentation and inter-personal skills
• Familiarity with cloud platforms (Azure, AWS) as well as Linux systems
• Illumio Certified Engineer (ICE) Comptia Network+ and Security+

What We Offer

• healthcare
• wellness
• retirement
• work/life benefits
• career development
• recognition programs
• parental (including paternal) leave
• flexible work schedules
• achievement awards
• educational assistance
• child/adult backup care
• medical
• dental
• vision
• life insurance
• short-term disability
• long-term disability
• 401(k) match
• flexible spending accounts
• employee assistance program
• Employee Scholar Program
• parental leave
• paid time off
• holidays

Role Type - Remote

This position is currently designated as remote. However, the successful candidate will be required to work from one of the 50 U.S. states (excluding U.S. Territories). Employees who are working in Remote roles will work primarily offsite (from home). An employee may be expected to travel to the site location as needed. As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on‑site, hybrid or remote.

Salary and Compensation

The salary range for this role is 107,500 USD - 204,500 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.

Application Window

RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

Equal Opportunity Employer

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.