Zscaler Administrator - Application Packaging

Location Leatherhead, Surrey Category Support Services Job Type Full time Job Id R2128262 Posted Date 10/16/2026

Title:

Zscaler Administrator - Application Packaging

At KBR, we deliver science, technology and engineering solutions to governments and companies around the world. KBR employs approximately 37,000 people worldwide with customers in more than 85 countries and operations in over 28 countries. KBR is proud to work with its customers across the globe to provide technology, value-added services, and long-term operations and maintenance services to ensure consistent delivery with predictable results.

Trinzic is the future independent company to be created through the planned spin-off of KBR's Mission Technology Solutions business, expected in January 2027. Our people work at the frontier of what is possible, delivering solutions in challenging environments and advancing some of the world's highest-priority national security and space missions.

Backed by decades of mission success, deep expertise, and trusted partnerships, Trinzic will launch as a global organization with more than 18,000 employees supporting customers around the world. Join us at a defining moment and help shape the future of a company built to tackle complex challenges and make a meaningful impact.

Candidates who join KBR's Mission Technology Solutions business before the spin-off will transition to Trinzic when the separation is complete and will not need to reapply for employment.

About KBR

At KBR, we deliver innovative science, technology, engineering and mission-critical solutions that help governments and organisations achieve their most important objectives. Our people tackle complex challenges every day, making a real difference on a global scale.

We're looking for an experienced Zscaler Administrator to join our growing UK team and play a key role in supporting and enhancing our enterprise Zero Trust security platform.

If you're passionate about secure access technologies, cloud networking, cybersecurity, and solving complex technical challenges, this is an exciting opportunity to work within a large-scale, highly regulated environment while enjoying the flexibility of a remote role.

What You'll Be Doing

As our Zscaler Administrator, you'll be responsible for maintaining, optimising, and evolving our Zscaler environment to ensure secure, reliable access to applications, cloud services, and internet resources across the business.

You Will:

• Administer and optimise Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA) platforms
• Manage policies, access controls, application segments, authentication integrations, and traffic forwarding
• Support and troubleshoot Zscaler Client Connector, App Connectors, and cloud-based connectivity services
• Work closely with cybersecurity, cloud, network, infrastructure, and application teams to resolve complex issues
• Support onboarding and segmentation of business applications within the ZPA environment
• Monitor platform performance, availability, security events, and user experience
• Contribute to automation initiatives using technologies such as PowerShell, Python, Terraform, and APIs
• Assist with incident response, vulnerability remediation, risk assessments, and continuous service improvement
• Produce technical documentation, operational reporting, and platform metrics

What We're Looking For

We're interested in candidates who have:

• Strong hands-on experience with Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA)
• Experience managing Zscaler policies, authentication, application segmentation, and secure access controls
• Proven troubleshooting skills across access, identity, networking, and cloud connectivity issues
• Good knowledge of Microsoft Azure networking and infrastructure services
• Experience supporting Windows Server, Active Directory, DNS, certificates, and authentication services
• A solid understanding of enterprise networking concepts including routing, firewalls, proxies, VPNs, and network security
• Experience working within structured IT service management and change control environments
• Strong communication skills and the ability to work effectively with both technical and non-technical stakeholders

Desirable Experience

Experience in any of the following would be advantageous:

• Microsoft Entra ID, Conditional Access, MFA, and SSO
• Microsoft Sentinel, Defender, Splunk, or SIEM platforms
• Zscaler Digital Experience (ZDX)
• Cloud security and Zero Trust architectures
• PowerShell, Python, Terraform, or automation tooling
• Palo Alto, Cisco, F5, or similar enterprise networking technologies
• Microsoft Intune and endpoint security solutions
• Supporting highly regulated or security-conscious environments

Certifications

Relevant certifications are desirable, including:

• Zscaler Certified Administrator (ZCA)
• Zscaler Certified Engineer (ZCE)
• Microsoft Azure certifications
• Security+ or CCNA
• Equivalent industry-recognised qualifications

Location & Security Requirements

• Remote-based role within the United Kingdom
• Occasional travel to our Surrey-area office may be required
• UK citizenship is required
• Candidates must be eligible to obtain or hold BPSS clearance

Why KBR?

At KBR, our people are at the heart of everything we do. We are committed to creating an inclusive environment where individuals can Belong, Connect and Grow. You'll have the opportunity to work alongside talented professionals on meaningful projects while developing your career in a supportive and forward-thinking organisation.

Belong, Connect and Grow at KBR

At KBR, we are passionate about our people and our Zero Harm culture. These inform all that we do and are at the heart of our commitment to, and ongoing journey toward being a People First company. That commitment is central to our team of team’s philosophy and fosters an environment where everyone can Belong, Connect and Grow. We Deliver – Together.

KBR is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, disability, sex, sexual orientation, gender identity or expression, age, national origin, veteran status, genetic information, union status and/or beliefs, or any other characteristic protected by federal, state, or local law.