Senior Application Support Engineer jobs in Antrim County

Jobs found: 2,193
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MCS Group
Belfast

You will act as a first point of contact for IT and application-related issues, supporting users across the business. The role involves a mix of general IT support and application support, requiring strong communication skills and a structured troubleshooting approach.

a day ago
VANRATH
Belfast

You will work closely with Managers and Partners, taking ownership of key areas on site and progressing towards leading smaller audits.

Remote
22 hours ago
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Matchtech
Belfast

Our client, a leading developer in the Defence & Security sector, is seeking a highly technical and skilled Application Engineer to join their team. This role is remote but requires travel up north, making it ideal for candidates located in the northern regions of the UK. The position involves substantial pre-sales activities, including presenting, customer discussions, and technical...

Remote
10 hours ago
Citi
Belfast

A leading global investment bank in Belfast seeks an Application Support Senior Analyst to provide technical and business support for critical applications. This role includes maintaining application systems, supporting users, and managing operational environments. Ideal candidates should possess Unix/Linux skills and relevant application support experience. With a competitive salary and a hybrid...

Hybrid
4 hours ago
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Short Brothers a Boeing Company
Belfast
£39,931

Product Support Engineer Aftermarket Services £39,931 with incremental increases This role is at Short Brothers, a Boeing Company, a subsidiary comprising aerospace manufacturing programmes and capabilities, research, development and engineering services, and aftermarket business. At Boeing, we innovate and collaborate to make the world a better place. Were committed to fostering an environment...

22 hours ago
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Hays Specialist Recruitment
Belfast BT1

Ready to Take Your HVAC Expertise Off-Site? If you love the technical side of HVAC and building services and want to progress into an office-based role, this is your chance. Candidates should take the time to read all the elements of this job advert carefully Please make your application promptly. Whether you're coming from a contractor, consultancy, or supplier background, you'll join a...

10 hours ago
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TGS International Group
Belfast

You will report to both internal and client-side leads and play an important role in ensuring smooth daily operations and a high standard of customer experience. Key Responsibilities Front & Back Office Support - Support and maintain legacy and bespoke hardware/software environments aligned to specific business areas.

4 hours ago
Apriori Technologies Uk, Limited
Belfast

You will be responsible for diagnosing and resolving a wide array of customer issues, delivering effective solutions and workarounds where needed. While experience with all technical requirements is not essential, youll have the opportunity to learn and develop on the job. Were seeking a proactive, tenacious problem-solver who embraces challenges and is eager to grow.

No Experience Hybrid
a day ago
Wrightbus
Ballymena

Job type: Temporary Location: Wrightbus Closing date: Wednesday 04 Feb 2026 08:00 "We reserve the right to close this vacancy early if we receive sufficient applications from suitably qualified and experienced candidates. We therefore encourage early applications." Candidates who applied for this role within the past six months and were not successful should wait at least six months before...

a day ago
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Onnec Group Northern Ireland Ltd
Belfast

You will report to both Onnec and client leads and play an important role in ensuring smooth daily operations and an excellent customer experience. What you'll be doing as our Desktop Support Engineer: Front & Back Office Support: Support of current and metier specific legacy hardware/software environments/bespoke support tasks and resolutions.

a day ago
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HAYS
Belfast

Ready to Take Your HVAC Expertise Off-Site? If you love the technical side of HVAC and building services and want to progress into an office-based role, this is your chance. Whether you're coming from a contractor, consultancy, or supplier background, you'll join a well-established team where your input matters and no two days are the same. Your new company A leading supplier of high-performance...

47 minutes ago
Citigroup
Belfast

A leading global banking institution is seeking a skilled developer to join their team in Belfast. Your primary responsibilities will include setting up and configuring cloud infrastructure, supporting development teams in adopting CI/CD pipelines, and improving application security. Ideal candidates will have strong Unix/Linux skills, proficiency in scripting, and an understanding of distributed...

Hybrid
4 hours ago
Ocho
Belfast

Production Support / Operations Engineer - Contract (Belfast Hybrid) Overview We're partnering with a financial services technology team in Belfast who need an experienced Production Support / Operations Engineer to cover an upcoming maternity leave. This is a hands-on operational role focused on keeping critical customer-facing systems stable, responding to incidents, and working closely with...

Remote
a day ago
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Cantor Fitzgerald/BGC
Belfast

Role Lucera Financial Infrastructures is hiring a Customer Support Engineer for our Belfast office to help expand our global support footprint for our one of our core products, used by some of the top names in financial services. We are looking for someone who has 3+ years’ experience working primarily with customer support in financial services. This role is for individuals who can work...

2 days ago
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Hays
Antrim

Job Description Ready to Take Your HVAC Expertise Off-Site? If you love the technical side of HVAC and building services and want to progress into an office-based role, this is your chance. Whether you're coming from a contractor, consultancy, or supplier background, you'll join a well-established team where your input matters and no two days are the same. Your new company A leading supplier of...

a day ago
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Senior Application Support Engineer, Antrim County
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Wrightbus
Ballymena

Job type: Permanent Location: Wrightbus Closing date: Monday 02 Feb 2026 08:00 "We reserve the right to close this vacancy early if we receive sufficient applications from suitably qualified and experienced candidates. We therefore encourage early applications." Wrightbus is a fast-paced, high-growth company at the forefront of zero-emission transport solutions. We're looking for skilled and...

a day ago
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MCS Group
Belfast

You will be responsible for monitoring live systems, responding to alerts, performing initial investigation and remediation, and escalating issues in line with established operational processes.

You will work closely with internal technology teams to ensure system stability and timely incident resolution across multiple environments.

Hybrid
a day ago
Citi
Belfast

You will have a truly global reach, which will provide you with new experiences and development opportunities right here in Belfast's iconic Titanic Quarter. Engineer the future of global finance. At Citi, our Tech team doesn't just support finance – we are helping to redefine it.

Hybrid
10 hours ago
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Wrightbus
Ballymena

Job type: Permanent Location: Wrightbus Closing date: Monday 02 Feb 2026 08:00 "We reserve the right to close this vacancy early if we receive sufficient applications from suitably qualified and experienced candidates. We therefore encourage early applications." Position: Mobile Support Engineer Location: London Hours: 38 hours per week Schedule: Night Shift Wrightbus is a fast-paced, high-growth...

a day ago
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Citi
Belfast

About the Team: Data Solutions Technology strives to provide measurable competitive advantage to our business by delivering high quality, innovative and cost effective reference data technology and operational; solutions in order to meet the needs of the business, our clients, our regulators and stakeholders. Olympus is a next generation Data Fabric to streamline data sources across SMBF and...

Hybrid
a day ago
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