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Our latest advertised jobs can be found below, but we fill many roles before we advertise them, so please feel free to register your general interest by contacting a consultant or uploading your CV using the button at the top right of this page.

Senior Lead Architect - Brussels

job posted about 23 hours ago Brussels €400 - €550 per day
GSA Techsource are currently working with an IT consultancy to recruit a Senior/Lead Architect to work with one of their end clients. This role is based in Brussels, you must be in commuting distance. 

Function :
  • Understand, translate business requirements into system and infrastructure requirements.
  • Define Infrastructure architecture principles, decisions and architecture views
  • Interlock with others Architects/Technical specialists to provide technical directions.
  • Participate, on a punctual basis, on specific projects related to his/her specialty.
  • Responsible for leading the technical Infrastructure design, and can justify and communicate his/her design decisions
  • Develops infrastructure architecture in line with defined customers’ strategy;
  • Analyze business requirements to develop technical solutions and their framework;
  • Deliver high-level and low-level design;
  • Participates in the meetings to define new projects and provides the design of the infrastructure architecture, the detailed Bill of Material to be part of the project and estimates the services for the implementation and delivery of the infrastructure architecture;
  • Maintains the infrastructure related documentation by ensuring that all the projects proposed architectural changes are reflected in the documents;
  • Provides input for Incidents/Problems/Defects to the Operational team;
  • Provides input to organize regular knowledge transfer sessions;
  • Capable of making and guiding effective decisions, explaining clearly how the decision has been reached. The ability to understand and resolve technical disputes across varying levels of complexity and risk.
Working Conditions:
  • Work shifts of 8 hours covering the time range between 08h30 and 18h30 from Monday to Friday with some flexibility required when overtime is exceptionally needed.
  • Travel to Strasbourg when required by the manager: travel cost on top of the rate.  
Employment and technical Requirements:
  • Professional experience in ICT domains as described below with a number of years of experience as infrastructure architect;
  • Technical understanding of IT products for every layer in the stack. Knowledge of most commercial and open source alternatives for the following layers:
    • Application frameworks and accelerators (custom vs. packaged);
    • Application servers (e.g. Oracle WebLogic, Apache Tomcat, JBoss, …);
    • Middleware and queuing solutions 
    • Database & storage technologies and platforms (e.g. Oracle, NoSQL, …);
    • Virtualization technologies (e.g. VMware);
    • Operating systems (RHEL, Unix, MS Windows)
    • Physical Infrastructure (e.g. racks, blades, network, …);
    • Network technologies (Switches, Load balancer, …)
  • Technical understanding of the characteristics of application styles and when to apply each:
    • Business Intelligence and Analytics platforms;
    • Batch-driven applications;
    • Web applications;
    • Rich client, thin server applications;
  • Must be details oriented, analytical, and demonstrate ability to work in ambiguous environment;
  • Must be self-directed with proven ability to make mature decisions supported by thorough data analysis;
  • Knowledge of ITIL V3 processes.
  • Good communication skills.
  • Good writing skills

GSA Techsource Ltd operates as an Employment Agency when recruiting for permanent vacancies, and an Employment Business when recruiting for contract vacancies. All contract rates quoted are to Ltd companies.

Network Security Engineer - Palo Alto / ForeScout

job posted 6 days ago Salford £400 - £450 per day
GSA Techsource are currently working with a global IT service provider to recruit a Network Engineer who specialises in Security. You will have CCNP collaboration (Voice) as a minimum, preferably CCIE.
Your responsibilities in this role will consist of leading the technical solution development for communications and networks for the clients architecture. You will be accountable for creating the network capability design, following ITIL service standards.

You will be required to liaise with the entire team and stakeholders, so clear communication is key when providing support to the service transition and continual service improvement areas.

Expertise in Palo Alto & Forescout is essential.

If this role is of interest please apply online, do not call the office as GSA Techsource are all working remotely and the office is not manned. If you require further information please email Ellie and await a response.

GSA Techsource Ltd operates as an Employment Agency when recruiting for permanent vacancies, and an Employment Business when recruiting for contract vacancies. All contract rates quoted are to Ltd companies.

Digital Delivery Manager

job posted 13 days ago Bristol £550 - £600 per day
Digital Delivery Manager - 6 months - Bristol - £550 to £600 - Outside IR35

GSA Techsource are currently recruiting for a Digital Delivery Manager working for one of our government clients based in Bristol.

The Technical Delivery Manger will own the delivery of a number of critical change projects within the Cloud Service Centre. This high profile role must be able to identify and remove obstacles to the delivery of critical outcomes within the team. The role will be responsible for the delivery management of more technical projects and activities within the team and will be expected to rapidly gain an understanding of what is required to deliver and drive this through to a successful outcome.

To be effective in this role, you will have worked within structured programme and project environments, delivered a range of services through digital / web channels and will have practical experience of agile development. You will also have supported business change, rationalisation and transformation programmes.

Key Duties and Responsibilities
  • You will own a number of Projects/Programmes within CSC and carry out the required delivery management activities to ensure that they are successfully delivered.  These projects and programmes may require the effective application of Agile or Waterfall methodologies.
  • We expect you to be able to work closely with other CSC team members and other stakeholders outside CSC to identify what is required to deliver the required outcome and drive it to delivery.   
  • You will be responsible for the delivery of planning and risk management information to support a successful delivery.
  • You will be constantly scanning ahead of delivery to identify risks, issues and blockers to progress and identifying tactics for the removal of those and clearing the way for delivery.
  • Strong experience in a multi-disciplined team is critical as is your ability to clearly communicate sometimes complex technology solutions and problems in order to achieve a required resolution.
  • You will be responsible for ensuring that the projects have the required resources to succeed and for identifying and resolving resource gaps working with the Transformation Delivery Lead.
  • You will be able to converse easily with and translate between non-technical stakeholders and technical practitioners
  • You will be responsible for communicating the status of projects and programmes in flight to stakeholders 
Essential Experience

  • Experience delivering projects in IT service delivery and management area
  • An understanding of Public Cloud solutions and experience of delivering change programmes suing them.
  • Experience of planning and executing large scale Cloud Transition and Development programmes and driving them to a successful outcome
  • Knowledge and understanding of Service Management principles and processes and experience of implementing them 
  • You will have a good understanding of a broad range of technologies including knowledge of AWS and Azure
  • Knowledge of project management methodologies.
  • Demonstrable experience in delivering elements of large scale cloud migration projects/programmes
  • Demonstrate the ability to solve complex, multi-stakeholder, multi-system problems
  • Be comfortable with being responsible for the delivery of significant cloud and automation projects.
  • Experience of working in Agile environments
Other Requirements:
  • Have experience of stakeholder management within complex organisations
  • Be a fast learner, ambitions, and comfortable working in high-pressure environments

GSA Techsource Ltd operates as an Employment Agency when recruiting for permanent vacancies, and an Employment Business when recruiting for contract vacancies. All contract rates quoted are to Ltd companies.

Technical Architect

job posted 13 days ago London £550 - £600 per day
Technical Architect - 12 months - London - £550 to £600 per day 

GSA Techsource are currently recruiting for a Technical Architect working for one of our government clients based in London for an initial 12 months. 
  • You will provide a coherent technical strategy based on your experience and analysis of JAC Digital needs
  • You will support senior developers on the team
  • Alpha and Beta phase development of a new service to replace legacy application
  • You'll assist in JAC’s ongoing development of a digital team and compliance with’s Digital Service Standard
  • You will have an understanding of the whole system
  • You will work with other disciplines to understand what needs to be built
Main duties:

As a Technical architect you will provide advice for the digital service platform and you will:
  • Devise a full documented technical architecture for the Digital Platform
  • Ensure reliable operation of the legacy system until it is fully deprecated
  • Provide appropriate guidance for senior developers
  • Work on the alpha/beta phase of the replacement service
  • Work on data migration from the legacy to the replacement service if required
  • Assist with team development to ensure JAC have a sustainable model to allow them to own and maintain overall service without recourse to rigid, long-running and expensive procurement-model contracts
  • Assist in development of JAC’s digital team.
Essential knowledge, skills and experience

You will have experience of:
  • Working in an Agile environment
  • Strong problem solving skills
  • Good communication with clients and managers – listening and providing answers
  • Good knowledge of GDS best practice
  • Ability to work under pressure, adapt and prioritise
  • Ability to think ahead and anticipate problems, issues and solutions
  • Working with continuous integration and continuous deployment
  • Working in a team using GitHub
  • Client-side JavaScript (in modern web browsers)
  • Server-side JavaScript (Node.js)
  • Working in a peer-reviewed environment
  • Solid knowledge of fundamentals of security, authentication and authorisation
  • Fundamentals of system design and architecture
Desirable knowledge, skills and experience

Ideally you will also have some experience with:
  • Server-less architecture, in particular Google Cloud and Fire base
  • Single Page Applications, in particular Vue.js or React
  • JavaScript testing frameworks, in particular Jest
  • Testing serveries architecture and Single Page Applications

GSA Techsource Ltd operates as an Employment Agency when recruiting for permanent vacancies, and an Employment Business when recruiting for contract vacancies. All contract rates quoted are to Ltd companies.

Senior Software Engineer

job posted 14 days ago Central London Software Engineer, C++, PHP, Python, JavaScript, MySQL

NEW VACANCY – Senior Software Engineer (C++, PHP, Python, JavaScript)

Location: Central London 

Salary: Competitive + Benefits

About the company:

GSA Techsource is currently recruiting for a Senior Software Engineer for an award winning market leader of cutting edge solutions into the media and entertainment industry. Our client specialises in forensic searching across multiple broadcasting avenues working with some of the biggest names across entertainment, sports broadcasting and streaming services. The business is technology led and can offer excellent exposure into growing your technical skill and knowledge as well as working with highly talented and whom are some of the top 5% of the Russel Group Graduates.

About the Role:

This is an interesting and challenging role in which you will work as a senior software engineer in part of a team of developers, in a fast-moving environment. You will be working on a large-scale distributed application used by many major global media companies from satellite/ cable broadcasters to sports rights owners, in order to manage the security of their premium video content. The ideal candidate will have leadership experience and have strong team leading skills. This is a fantastic opportunity with an expanding company offering training, career progression and recognition!

Key Skills:

BSc/MSc/PhD in relevant subject or equivalent experience.
Strong knowledge of C++, JavaScript, PHP and Python

Skilled in working with AWS

Knowledge of basic data structures and algorithms

Experience with relational databases, particularly MySQL

Ability to work to strict deadlines

 Strong problem-solving, written and verbal communication skills.

Please contact Taylor Gallehawk on if interested.

GSA Techsource Ltd operates as an Employment Agency when recruiting for permanent vacancies, and an Employment Business when recruiting for contract vacancies. All contract rates quoted are to Ltd companies.

Technical Network Engineer - Infrastructure

job posted 14 days ago Brussels €350 - €400 per day
Technical Network Engineer - 9 months - Brussels - €350 to €400 per day

GSA Techsource are currently recruiting for a Technical Network Engineer working for a global consultancy. You will be based in Brussels working for one of their government clients for an initial 9 months.

  • Install and configure Switches and Routers - Cisco, Juniper etc.
  • Configuration of routing protocols:
- Open Shortest Path First (OSPF)
- Border Gateway Protocol (BGP)
  • Installation and configuration of firewalls:
- Configure policies on firewalls - Juniper, Fortinet, checkpoint etc.
- Configure VPN connections
  • On customer site, responsible for new network projects
  • Creation and maintenance of documentation (network plans, operational manual)
You must be eligible for Security Clearance. 

You must be able to speak English and French. (Dutch is desirable.)

GSA Techsource Ltd operates as an Employment Agency when recruiting for permanent vacancies, and an Employment Business when recruiting for contract vacancies. All contract rates quoted are to Ltd companies.

Senior PHP Developer

job posted 16 days ago Radlett £60000 - £70000 per annum
Role: Senior PHP Developer (Permanent)

Location: Radlett, Hertfordshire

Salary: £60,000 - £70,000 + Benefits

About the company

This exciting opportunity with a growing marketing agency who are leaders in the field of the gaming/gambling industry. This position is a great opportunity for a PHP developer to join an exciting industry and develop your career further!

About the Role

Are you a motivated and driven PHP Developer? Well if yes, then this is the role for you! This is an interesting and challenging position, where you will be working as part of a small team, and be responsible for delivering enhancements and bug fixes within several web applications.  Once you join the team you will also be involved in modernising their large legacy system, so you will be helping improve highly successful web applications by working with modern coding standards. This is a fantastic opportunity for an experienced PHP Developer with a growing company offering training, career progression and recognition!

Key Skills

At least 5 years’ experience/excellent knowledge in:

-** PHP/Laravel/Symfony **
-A desire to learn and develop skill sets
-Ability to work in a small fast-paced team/environment


-24 days’ holiday + Statutory Bank Holidays
-Generous pension scheme

-Flexible working hours
-Private health insurance

GSA Techsource Ltd operates as an Employment Agency when recruiting for permanent vacancies, and an Employment Business when recruiting for contract vacancies. All contract rates quoted are to Ltd companies.



We have been using GSA for a number of years now, especially to recruit temporary staff into informatics posts. The team at GSA are extremely professional and proactive in finding candidates to meet our requirements. In addition, GSA are very responsive to our needs and flexible in their approach to contract negotiations.

GSA Techsource have managed numerable searches for Northgate across a variety of roles. They clearly grasp our requirements and ensure only worthy CV's are sent for consideration. They are very responsive and deliver great results.​

When the Trust had requirements to take on two experienced Clinical Coders to support our existing team, we got in touch with GSA who immediately gave it their fullest attention, providing us with four excellent candidates immediately, all of which were suitable for the organisation and immediately available as requested, eliminating the need to engage other suppliers.

The Trust recruited two of the four candidates through GSA Techsource who had clearly developed an excellent understanding of what we were looking for and proved the claim of being a specialist provider of Clinical Coding staff.