Planet (weareplanet.com)
Senior Windows active directory & Infrastructure engineer
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About Planet
Planet is a global provider of integrated technology and payments solutions for retail and hospitality customers.
We create great experiences for the millions of people who use our payments, software, and tax-free solutions every minute of every day.
Planet empowers its customers to deliver great customer experiences by combining payments and software in ways that drive greater loyalty, increase revenue and save time.
Founded over 35 years ago and with our headquarters in London, today we have more than 2,500 employees located across six continents serving our customers in more than 120 markets.
Role overview:
What you will do
- Active Directory (AD DS): Manage domain controllers, replication, Sites & Services, GPOs, privileged groups, DR and backup validation, and authentication troubleshooting.
- DNS / DHCP: Maintain AD‑integrated DNS, zone configuration, records management, scavenging, DHCP pools, reservations, and issue resolution.
- Hybrid Identity (Azure AD / Entra ID): Oversee directory sync, MFA, Conditional Access, identity protection policies, and app/service principal support.
- PKI / Certificates: Manage AD CS, templates, renewals, CRLs, and certificate lifecycle.
- Infrastructure: Patch and maintain Windows servers, troubleshoot performance, support storage/network settings, and enforce security hardening (CIS, LAPS).
- Other services: NTP, DFSR, KMS, RDS.
Who you are
- 5+ years working with complex AD environments, hybrid identity, PKI, and security hardening.
- Strong experience with AD DS, DNS, DHCP, NTP, DFSR.
- Expertise in PKI, certificate management, and DR planning.
- PowerShell for automation.
- Hands‑on experience with Azure AD / Entra ID hybrid identity.
- Solid security mindset: least privilege, privileged access reviews, stale object cleanup.
- Experience with Conditional Access, MFA, Defender for Identity, PIM, SIEM integrations.
- Knowledge of compliance frameworks (ISO 27001, NIST, DORA).
- SC‑300, AZ‑800/801, AZ‑104, Security+ or ITIL Foundation.
Why Planet:
Planet is an equal opportunity employer where diversity is valued, and all employment is decided based on qualifications, merit, and business need.
Come and grow your career in the most exciting, fast paced technology market, with a business that delivers feel-good connected commerce.
We would love to hear from you – Apply now.
At Planet, we embrace a hybrid work model, with three days a week in the office.
Reasonable accommodations may be made in order to allow for an individual to perform the essential functions of this role successfully.
