Windows Security Engineer
- Level
- Mid
Not stated in the posting: salary, work type, visa.
Open. First seen 20 October 2026.
About the role
We are seeking a Windows Security Engineer to join the Systems and Infrastructure team. The role will be focused on hardening, monitoring, and improving security across endpoints, servers, identity systems, and supporting infrastructure.
The successful candidate will play a key role in the Systems and Infrastructure team, contributing to the operational efficiency, reliability, and security of our Windows infrastructure.
Responsibilities:
- Manage and optimize Microsoft Defender, EDR/XDR tooling, vulnerability scanners, and patching processes.
- Implement and maintain Windows security controls (Group policy, baseline hardening, endpoint protection, logging).
- Continuously improve the core security controls that protect Windows systems across the organization.
- Monitor security alerts, investigate incidents, and assist with remediation.
- Support and improve identity and access management (Active Directory, Azure AD, conditional access, MFA).
- Perform regular security assessments, configuration reviews, and compliance checks.
- Develop and maintain security documentation, playbooks, and automation scripts (PowerShell / Python).
- Collaborate on architecture reviews and secure deployments.
Experience:
- Strong knowledge of Windows OS internals, Active Directory, Group Policy, and Windows security baselines and university degree in related domain.
- At least 5 years’ experience working in a similar role
- Experience with EDR platforms, SIEM tools, and security monitoring
- Automation using PowerShell (and/or Python)
- Deploy and support Enterprise Windows systems and third-party applications
- Familiarity with vulnerability management and patching tools
- Understanding of network security fundamentals (firewalls, DNS, TLS, authentication flows)
- Exposure to Azure security controls (Defender for Cloud, conditional access, identity protection)
- Ability to investigate systems issues and applications as required.
- Highly self-motivated and directed, with keen attention to detail.
- Proven analytical and creative problem-solving abilities.
- Communicates clearly and works well cross-functionally.
- Operates with the highest degree of ethics and integrity.
Good to have:
- Experience with Intune
- Knowledge of AWS Infrastructure
- Understanding of Zero Trust principles
What this role asks for
Standard for security roles
AWS
Common in security postings at any company.
In most of Caxton Associates's ads
Python
Named in most of its open postings, whatever the role.
Compared with Caxton Associates's other open jobs.
The team: Technology HIRES STEADILY
This role is one of 4 open in Technology. 2 were posted in the last 30 days and the oldest in June: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
Python (4 of 4), AWS (3 of 4), CI/CD (3 of 4), .NET (2 of 4), C# (2 of 4), IAM (2 of 4), PowerShell (2 of 4)
OTHER ROLES ON THIS TEAM
- Senior C#.Net & Python Developer posted Oct 1
- Senior Software Engineer (C# / .NET) - Team Lead posted Sep 15
- AWS Engineer posted Jun 3
From the team and dates on Caxton Associates's own job board.
Posting history
Reposted once since 3 June 2026: a posting for this role in Bengaluru was taken down and the role was posted again.
- 20 October 2026 – open (this posting)
- 3 June 2026 – closed 30 September 2026
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