Square One Resources

About the Company

With over 25 years in the technology recruitment sector, Square One is an award-winning specialist recruitment agency. Based in London, we manage recruitment on an international scale with clients ranging from start-ups to global corporations. Our goal is to offer a comprehensive recruitment service for our clients, building long-term relationships with them to ensure candidates receive the best career opportunities possible.

Our consultants continually upskill, ensuring that they're at the forefront of industry, market and technology changes to better help with what your business needs to succeed.

Across permanent and contract roles, we place into the following sectors:

Blockchain | Cloud | Cyber Security | Development | Digital & Creative | Emerging Technologies | EV | Gaming | Infrastructure | MS Dynamics | Oracle | SAP | Telecommunications

Our Awards & Nominations
Top 100 Best Small Companies to Work For in the UK (ranked 16th) | Top 10 Recruitment Companies to Work For in the UK (ranked 10th) | Top 10 Best Small Companies to Work For in London (ranked 6th) | TIARA Best Recruitment Company to Work For (£50m+) Nominee

Listed Jobs

Company Name

Square One Resources

Job Title

SIEM Engineer

Job Description

Job Title: SIEM Engineer
Location: Wokingham (3 days per week onsite)
Salary/Rate: Up to £527 per day INSIDE IR35
Start Date: 03/03/2025
Job Type: Contract

Company Introduction
We have an exciting opportunity now available with one of our sector-leading consultancy clients! They are currently looking for a skilled SIEM Engineer to join their team for a three-month contract.

Job Responsibilities/Objectives
Build and deploy innovative technical solutions to advance the security capability of the Cyber Security Operations function.
Manage and oversee the configuration of various security tools to enable key stakeholders, such as CSOC and Threat Hunting and Detection Engineering (THaDE).
Collaborate with application administrators across the business to onboard data sources into the SIEM data lake.
Optimise forensic telemetry collection mechanisms to ensure accurate and efficient parsing and ingestion to the SIEM.
Build resilient forensic telemetry collection technologies to support 24/7/365 monitoring.
Spearhead process improvement and curate, update and develop an internal cyber engineering knowledgebase (bonus points if you're already skilled in Mermaid or Markdown!)

Required Skills/Experience
The ideal candidate will have the following:

Has proven experience working with SIEM platforms and related tooling.
Has a strong understanding of SIEM concepts and best practices. o Is familiar with SIEM telemetry onboarding processes and techniques.
Is knowledgeable about various data source formats and protocols (e.g., syslog, JSON, REST API).
Has experience in troubleshooting and resolving data quality or ingestion issues.
Has previously worked closely with security tooling such as EDR, Deception Tech, Malware Sandboxes, Vulnerability Management Tooling, etc.
Is familiar with security incident response and investigation processes.
Has excellent problem-solving and analytical skills.
Has strong communication and collaboration abilities.
May have relevant certifications (e.g. GIAC), but this is not required.

Wokingham, United Kingdom

Hybrid

19-02-2025

Company Name

Square One Resources

Job Title

Python Developer

Job Description

My Client in Brussels are seeking a Python developer to Join them on a 6 month rolling contract starting in February!

The consultant will join the feature team as a Software Engineer. He/She will have to ensure the
corrective maintenance on the existent stack and design & implement new solutions.

Responsibilities:
Design and implementation of new data architectures/features.
Management of the development cycle, infrastructure and production releases (DevOps)
Technical and user support (analysts, data scientists, etc.)
Estimates of internal/external loads
Technical specifications and architectural file
Request tracking status (in progress, processed, pending, etc.)
Anomaly correction tracking dashboard
Project monitoring schedule
IT developments (corrective, scalable, adaptive)
Source code (application components and unit tests)

Brussels, Belgium

On site

24-02-2025

Company Name

Square One Resources

Job Title

Mainframe Analyst

Job Description

Job Title: Senior Mainframe Technical Analyst
Location: Manchester
Start Date: 10/03/2025
Job Type: Contract

As a Senior Technical Analyst (Ops Analyst) in the Mainframe Support Team, you will play a key role in maintaining and enhancing our core banking platform. Your responsibilities will include technical testing, environment management, and deployment of mainframe components from test environments to live production. You will work independently and collaboratively, ensuring the successful delivery of testing strategies while driving improvements and efficiencies within the team.

Job Responsibilities/Objectives
• Mainframe Testing & Execution: Manage the scope, modify JCL, and execute mainframe testing based on technical design documents, incorporating internal and external system interfaces.
• Component Preparation & Deployment: Prepare and promote new and modified program objects, JCL, PROCLIBS, Parmlibs, and operational documentation for production use.
• Test Strategy & Execution: Develop and oversee mainframe test strategies, execute test regimes (JCL and Batch), and report progress, results, and defects.
• Code Deployment & Validation: Support SIT, UAT, OAT, and performance testing, ensuring seamless code deployment and data validation.
• Production Job Scheduling: Provide CA-7 scheduling instructions for creating and modifying production job schedules.
• Implementation & Go-Live Support: Contribute to the creation of Production Implementation Plans and provide go-live and warranty support, including occasional overnight and weekend work.
• Stakeholder Communication: Liaise with peers, domain test managers, IT departments, business teams, and third parties to ensure clear technical and analytical communication.
• Process Improvement & Research: Identify areas for process improvement, assess environmental/testing constraints, and analyze their impact.
• Workload Management: Plan, prioritize, and manage multiple projects simultaneously while balancing workload effectively.
• Technical Skill Development: Continuously enhance technical skills to meet evolving project demands.
• Quality Assurance & Risk Management: Ensure compliance with QA standards and SDLC processes, proactively managing risks and issues.

Required Skills/Experience
• Mainframe Expertise: Strong understanding of z/OS, TSO, ISPF, JCL, CICS, TWS, CA-7, CA-11, Alchemist, Endevor, Connect Direct, File Manager, Datacom, IBM Utilities.
• Testing & Support Experience: Proven track record in mainframe operations, testing, and deployment for major projects.
• QA & SDLC Knowledge: Deep understanding of the Software Development Life Cycle (SDLC), QA processes, and industry benchmarks.
• Analytical & Problem-Solving Skills: Strong planning, organizational, and problem-solving abilities, with the capacity to manage risks and project-level issues.
• Communication & Stakeholder Management: Ability to translate technical concepts for non-technical audiences and engage effectively at all levels.
• Cross-Platform Testing Experience: Exposure to functional and non-functional testing across multiple applications and environments.
• Educational Background: Degree/postgraduate qualification, IBM professional certification, or equivalent experience.
• Software Proficiency: Working knowledge of tools such as Jira, SMAX, and other industry-standard applications

Manchester, United Kingdom

Hybrid

26-02-2025

Company Name

Square One Resources

Job Title

IT Build Engineer (Hardware)

Job Description

Job Title: IT Build Engineer (Hardware)
Location: Uttoxeter, United Kingdom (On-Site 5 days a week)
Day Rate: £140 (Inside IR35)
Job Type: Long Term Contract

I are looking for a motivated Junior IT Build Engineer to join one of my biggest clients. You will assist with building and configuring IT hardware, including desktops, laptops, and servers. This entry-level role offers hands-on experience with hardware assembly and troubleshooting while learning from experienced engineers.

Job Responsibilities/Objectives

Assemble and configure desktop PCs, laptops, and servers.
Install operating systems and software on hardware systems.
Perform basic hardware troubleshooting and testing.
Assist with managing inventory and parts.
Follow established build processes and quality standards.
Provide support for hardware-related queries from internal teams.

Required Skills/Experience
The ideal candidate will have the following:

Due to the on-site requirement You must have a UK driving licence and own a Car/Motorcycle.
Associate's degree in IT, Computer Science, or related field; or equivalent experience.
Little experience in IT support or relevant internship
Strong willingness to learn and develop hardware skills.
Good attention to detail and communication skills

If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format.

Disclaimer
Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies.

Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.

Uttoxeter, United Kingdom

On site

04-03-2025