Senior Infrastructure Engineer supporting Cornerstone Brands in ensuring effective performance of technical infrastructure. Hybrid role based in West Chester, OH requiring onsite presence several days a week.
About the role
- Senior Infrastructure Engineer managing ZTNA services and infrastructure security at Lloyds Banking Group. Responsible for designing, implementing, and maintaining secure access controls across hybrid environments.
Responsibilities
- Design, implement, and maintain ZTNA services across hybrid environments in line with CSO’s Edge Security architecture.
- Build secure, scalable, repeatable engineering patterns, including infrastructure-as-code, policy-as-code, and automated guardrails.
- Deliver resilient and high-performing infrastructure services aligned to engineering excellence principles.
- Provide hands-on troubleshooting and configuration support across end-user devices, server platforms, and network infrastructure.
- Contribute to engineering quality through peer review, collaboration, and support for team-wide engineering uplift.
- Implement Zero Trust–aligned controls across identity, access, segmentation, and device trust models.
- Ensure regulatory, audit, and internal security standards are met through integrated monitoring, logging, and policy enforcement.
- Manage the end-to-end lifecycle of ZTNA platforms, including patching, hardening, configuration governance, and observability.
- Maintain operational documentation, architectural standards, and runbooks.
- Act as 3rd-line technical authority for deep-dive investigations, root cause analysis, and complex incident recovery.
- Serve as an authority for ZTNA and infrastructure security, providing structured mentoring, coaching, and technical guidance to junior and mid-level engineers.
- Work closely with IAM Engineering, Security Engineering, Network Services, and Product teams to deliver integrated Zero Trust solutions.
Requirements
- Infrastructure Engineering - Experience delivering complex infrastructure and security services across hybrid environments.
- Network Security & Access Control - Proven capability in designing and implementing secure access control or network security solutions.
- Demonstrated experience providing 3rd-line support for enterprise security or network platforms, ideally including ZTNA.
- Infrastructure-as-Code, automation, scripting, CI/CD
- Observability, monitoring, diagnostics
- Security Control Design & Assurance
- Advanced troubleshooting - Hands-on experience configuring, troubleshooting, and securing desktop, server, and network environments.
- Technical Leadership & Mentoring - Experience mentoring, coaching, or developing junior engineers; line management experience is highly desirable.
Benefits
- A generous pension contribution of up to 15%
- An annual bonus award, subject to Group performance
- Share schemes including free shares
- Benefits you can adapt to your lifestyle, such as discounted shopping
- 30 days’ holiday, with bank holidays on top
- A range of wellbeing initiatives
- Generous parental leave policies
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