Senior Systems Engineer - Banking and Finance

Hamilton Barnes Associates Limited; Greater London; On-site; GBP 120,000 - 160,000; Full time

Job summary

A global trading and investment firm in Greater London is seeking an experienced Systems Engineer to manage and maintain Windows Server environments and support various virtualization platforms. The ideal candidate will have a Bachelor’s degree in Computer Science and over 3 years of experience in mixed OS infrastructure. Responsibilities include day-to-day server management and the development of automation scripts using Python for greater efficiency. Join a team that thrives on innovation and complex challenges.

Qualifications

• 3+ years experience in mixed OS infrastructure design and support.
• Strong knowledge of Windows Server 2016/2019/2022.
• Experience with coding version control systems (Git).

Responsibilities

• Manage and maintain Windows Server environments.
• Support virtualization platforms like VMware and Citrix.
• Perform server administration and configuration management.
• Develop automation scripts to improve efficiency.

Skills

Windows Server management

Active Directory

DNS

DHCP

Python Scripting

Virtualization (VMware, Hyper-V, Citrix)

Education

Bachelor’s degree in Computer Science or related field

Tools

VMware

Hyper-V

Citrix

Git

Job description

Looking to trade at the cutting edge of technology, markets, and strategy?

Join a global trading and investment firm that combines the agility of a startup with the stability of a seasoned financial institution. The organization captures opportunities across multiple asset classes and markets worldwide, leveraging technology, research, and rigorous risk management to drive results. With a culture built on curiosity, collaboration, and continuous learning, employees tackle complex challenges, innovate constantly, and work alongside some of the brightest minds in finance.

If you thrive in a fast-paced environment where smart ideas and decisive action create real impact, this is your chance to be part of a team shaping the future of trading.

Key Responsibilities

• Manage and maintain Windows Server environments, including Active Directory, Group Policy, DNS, DHCP, and related services
• Support virtualization platforms such as VMware ESXi, vCenter, Hyper‑V, and Citrix
• Perform day‑to‑day administration of physical servers and configuration management
• Develop automation scripts using Python, or similar to improve efficiency

Qualifications

• Bachelor’s degree in Computer Science, Systems Engineering, or a related field
• 3+ years experience designing & supporting Windows-based and mixed OS infrastructures
• Strong knowledge of Windows Server (2016/2019/2022), Active Directory, DNS, DHCP
• Python Scripting
• Familiarity with virtualization platforms (VMware, Hyper‑V, Citrix)
• Experience with coding version control systems (Git)

Salary

120,000-160,000 GBP