Identity and Access Management (IDAM) Engineer

National Gas Transmission PLC; Warwick; Hybrid; GBP 63,000 - 77,000; Full time

Benefits offered by this job

Salary up to £70,000 DOE

Pension scheme

Annual bonus

Holiday and benefits

Life assurance & income protection

Flexible benefits

Professional development

Job summary

National Gas is seeking an Identity and Access Management (IDAM) Engineer to design, implement, and improve enterprise identity services. The role focuses on access governance, SSO, MFA, and PAM using CyberArk, with strong scripting in PowerShell and documentation of procedures.

The position is hybrid in Warwick, offering up to £70,000 DOE plus benefits for an experienced professional in IAM/IGA and hybrid identity management.

Qualifications

• Bachelor’s degree or equivalent experience in IAM/security.
• Strong administration with Active Directory and Entra ID, including hybrid identity.
• Knowledge of IAM governance, lifecycles, RBAC and least privilege, SSO/MFA.
• Experience with SAML, OAuth 2.0, OIDC, LDAP and Kerberos.
• Hands-on with CyberArk PAM, PKI and certificate lifecycle.

Responsibilities

• Deliver secure enterprise identity solutions and integrations.
• Ensure joiner/mover/leaver provisioning and access governance.
• Maintain AD/Entra ID, hybrid identity, and access models.
• Implement SSO, federation, MFA and related policies.
• Develop PowerShell automation for reliable operations.

Skills

Active Directory

Entra ID

IAM

IGA

SSO

MFA

SAML

OAuth 2.0

OIDC

LDAP

Kerberos

CyberArk

PKI

PowerShell

Automation

Documentation

Education

Bachelor’s degree in cyber security or related field

Tools

Microsoft Active Directory

Microsoft Entra ID

PKI tooling

Job description

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Identity and Access Management (IDAM) Engineer

Date: 14 Sept 2026

Location: Warwick, GB, CV34 6DA

Company: National Gas

Requisition ID: 3203

Up to £70,000 DOE + benefits

Warwick, hybrid, flexible

At National Gas, the work we do matters.

As Britain's national gas network, we help keep the lights on, businesses running, and homes warm bymaintainingthe critical infrastructure that transports gas across Great Britain. While providing the energy security Britain relies on today,we'realso helping transform the network for a clean energy future.

Join us and help secure Britain's energy.

About the role:

The Identity and Access Management (IDAM) Engineer designs, implements, supports and continually improves enterprise identity services, including identity governance, authentication, privileged access and directory services. The role enables secure, reliable and compliant access to systems and data while supporting organisational and regulatory requirements.

Key accountabilities:

• Deliver secure, reliable enterprise identity solutions and integrations that support business services and regulatory obligations.
• Ensure joiner, mover and leaver processes provide accurate, timely provisioning, modification and deprovisioning of access.
• Maintain effective identity governance, role-based and birthright access, entitlement ownership, segregation-of-duties controls, access reviews and audit evidence.
• Maintain Microsoft Active Directory and Microsoft Entra ID services, including hybrid identity, directory synchronisation, group structures, organisational units and access models.
• Implement and support single sign-on (SSO), federation, multi-factor authentication (MFA) and associated authentication policies and standards.
• Maintain privileged access controls using CyberArk or equivalent privileged access management (PAM) technology, including account vaulting, session controls, reviews and compliance processes.
• Support public key infrastructure (PKI), certificate lifecycle and enterprise secrets-management services, ensuring secure handling of credentials and cryptographic material.
• Develop PowerShell automation that reduces manual effort, improves control effectiveness and produces reliable operational outcomes.
• Deliver upgrades, migrations, incident remediation and service improvements with accurate technical documentation and procedures.
• Provide trusted identity and access management guidance to Cyber Security, Infrastructure, Application Support and business stakeholders.

About you:

• Bachelor’s degree in cyber security, computer science, information technology or a related subject, or equivalent professional experience in identity and access management.
• Strong administration experience with Microsoft Active Directory and Microsoft Entra ID, including hybrid identity.
• Practical knowledge of identity and access management (IAM) and identity governance and administration (IGA) principles, identity lifecycles, access governance, role-based access and least privilege.
• Experience supporting single sign-on (SSO), federation and multi-factor authentication (MFA), with knowledge of Security Assertion Markup Language (SAML), Open Authorization 2.0 (OAuth 2.0), OpenID Connect (OIDC), Lightweight Directory Access Protocol (LDAP) and Kerberos.
• Hands‑on experience with CyberArk or an equivalent privileged access management (PAM) solution, together with public key infrastructure (PKI) and certificate lifecycle support.
• Strong PowerShell automation, troubleshooting and analytical skills.
• Clear written and verbal communication, including production of technical documentation and procedures.

What we can offer you:

• Salary up to £70,000 (dependant on experience)
• Market‑leading double-match pension (for every £1 you add, we add £2)
• Annual performance bonus (up to 6%)
• 26 days holiday plus 8 statutory daysand option to buy 5 additional days
• 10x salary life assurance and income protection
• Flexible opt-in salary sacrifice benefits including private healthcare, car, dental, and technology schemes
• Family-friendly policies, wellbeing support, and professional development opportunities

Security clearance:

This role is subject to National Security Vetting (NSV). Candidates must be eligible to obtain and maintain Security Clearance (SC) throughout their employment. For further information, visit GOV.UK (UK Security Vetting: Clearance Levels).

Inclusive recruitment:

We'rebuilding a workforce that reflects the communities we serve, championing diversity, and creating an inclusive workplace where everyone is valued for their unique contribution. We support reasonable adjustments throughout the recruitment process and beyond.

National Gas is a Disability Confident employer and signatory of the Armed Forces Covenant.