Windows System Engineer

Caxton Associates
London
About Caxton Associates:

Caxton Associates, founded in 1983, is a global trading and investment firm with offices in New York, London, Monaco, Singapore and Dubai. Caxton Associates' primary business is to manage client and proprietary capital through a suite of products designed to fit the specific needs of investors. Employing a multi-portfolio manager framework, Caxton excels in discretionary global macro investing, leveraging its diversified expertise across asset classes and markets.

About the Role:

An excellent opportunity is open for a proactive Windows System Engineer to join a leading hedge fund and make an immediate impact on challenging infrastructure projects, driving automation, security, and efficiency across the IT infrastructure in a collaborative working environment.

The successful candidate will be a hands-on engineer who thrives in tackling complex technical tasks and is experienced with optimising and supporting a highly available IT infrastructure.

This role requires good technical and communications skills and a passion for the latest technology. The ideal candidate will have 5-10 years of applied experience as a Windows Systems Engineer that includes the deployment, monitoring and support of secure Windows Servers running business-critical application platforms.

  • Deploy and support enterprise Windows Server 2012-2022 and Microsoft 365 solutions (Entra ID, Exchange, Endpoint Manager, Teams, Conditional Access) to meet organizational needs and following best practices
  • Manage and optimise the Windows server estate, focusing on on-prem infrastructure based on VMware/Nutanix AHV and also cloud infrastructure platforms (Azure / AWS)
  • Perform system maintenance, such as applying patches and updates to ensure availability, optimal performance and security of IT infrastructure
  • Monitor system performance and proactively identify/resolve issues
  • Maintain detailed documentation of system setup, configuration, procedures and change
  • Implement and manage security platforms including endpoint protection and patch management to protect data and shared IT infrastructure
  • Manage backup solutions to ensure data recovery and resiliency
  • Work as part of the Infrastructure and Systems Engineering team to plan and execute larger IT projects, such as system upgrades, migrations, and deployments
  • Take ownership of ongoing Windows-related projects, driving them forward and ensuring timely completion
  • Keep up to date with the latest technologies, security vulnerabilities and industry best practices
  • Ensure that systems and user activities comply with organizational policies and any relevant legal or regulatory frameworks
  • Troubleshoot and resolve system issues and outages
Requirements
  • Previous experience working in Financial Services
  • Proven experience as a Windows System Administrator or currently in a similar role
  • Solid understanding of Active Directory Services (DNS/DHCP/FSMO/ADFS/SSO/ADCS)
  • Solid understanding of networking concepts, including TCP/IP, LAN/WAN
  • Scripting skills desirable (e.g. PowerShell, Batch scripting) for automating routine tasks and deployments
  • Good knowledge of AWS Infrastructure and Linux administration desirable
  • Strong written, oral, and interpersonal communication skills
  • Ability to troubleshoot systems issues and applications in a logical and level-headed manner
  • Be able to communicate ideas in both technical and user-friendly language
  • Highly self-motivated and directed, with a keen attention to detail
  • Ability to manage time and prioritize tasks effectively in a fast-paced environment
  • Strong collaborative skills with the ability to work effective in a team-oriented environment
  • Displays and operates at the highest degree of ethics and integrity
Posted 2025-06-07

Recommended Jobs

In House Senior Legal Counsel

Marsden International Legal Search Limited
London

In house – Senior Commercial  Lawyer - Tech - 8+ pqe - London Our client is a Fortune 500 multi-brand technology solutions provider to business, government, education and healthcare organisations ...

View Details
Posted 2025-06-12

Director-Product Management Mgr

Moody's Corporation
London

At Moody's, we unite the brightest minds to turn today’s risks into tomorrow’s opportunities. We do this by striving to create an inclusive environment where everyone feels welcome to be who they are...

View Details
Posted 2025-06-05

Senior Data Science Manager

Entain
London

Company Description We're Entain. Our vision is to be the world leader in sports betting and gaming entertainment by creating the most exciting and trusted experience for our customers, revolution...

View Details
Posted 2025-06-07

Freelance Executive Search Researcher - Luxury, Fashion,...

The Outsiders Perspective
London

Location: Hybrid (London-based preferred) | Freelance / Contract basis Are you passionate about the luxury and lifestyle industries? Do you excel at identifying top talent and mapping dynamic mar...

View Details
Posted 2025-05-29

Corporate Tax Lawyer

ARM Recruitment
London

Job Opportunity: Corporate Tax Lawyer - London or Regional Salary : Basic salary of £75,000-£90,000 (depending on experience) + Benefits + Bonus Location : London or regional We are se...

View Details
Posted 2025-05-21

Domestic Supervisor (Mobile)

Daniel Owen Ltd
London

Responsible for overseeing the operations of the Cleaning Team, ensuring the delivery of excellent customer service by responding to all user requests across sites in a timely, accurate, and professi...

View Details
Posted 2025-06-04

Geography Teacher

Step Teachers
London

This school in Enfield is seeking a passionate and committed Geography Teacher to join a vibrant Humanities faculty. This is a fantastic opportunity to inspire young minds and promote a deep unders...

View Details
Posted 2025-05-20

Enterprise Account Executive

Magnitude Consulting
London

Job Description About the Role I’m working with a client that’s hiring a high-performing Enterprise Account Executive with strong cybersecurity sales experience. This is a pure hunting role foc...

View Details
Posted 2025-06-14

S106 & CIL Officer

Carrington West
London

S106 & CIL Officer London £35 to £40 p/h Inside IR35 Job Reference: 58732 Do you want to work for a highly motivated local authority planning team who consistently delivers a high level...

View Details
Posted 2025-05-21

Trainee Recruitment Consultant - Progressive company and...

Wayman Learning Trust
London

Are you an individual with 12 months+ recruitment experience OR someone with a proven track record in sales looking for a career change? Are you frustrated by office politics/unfair commission sc...

View Details
Posted 2025-05-23