Cybersecurity Engineer Jobs in Belfast

Cybersecurity Engineer jobs in Belfast hiring now at vetted startups and product companies on Alion, updated daily. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.

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Allstate Corporation

allstatecorporation.com
allstatecorporation.com • HQ: Northbrook, United States • Life Insurance & Annuities • Property & Casualty Insurance • 1001-5000 employees • Est. 1931 • NYSE: ALL • Trust A • Hiring 268, 41 new
HQ: Northbrook, United States • Life Insurance & Annuities • Property & Casualty Insurance • 1001-5000 employees • Est. 1931 • NYSE: ALL • Trust A • Hiring 268, 41 new
Headquartered in Northbrook, Illinois, The Allstate Corporation is one of the largest personal lines insurance providers in the United States. The company offers a broad portfolio of protection products, including auto, homeowners, life, and commercial insurance, as well as voluntary benefits and consumer protection plans. Operating through a vast network of local agents, direct channels, and digital platforms, it serves tens of millions of policyholders across North America.
No named decision-maker yet.
No careers mailbox known
Verified live · 2 hours ago 4 days ago Likely open · 57%

Senior Identity & Access Management (IAM) Engineer - (Hybrid OR Remote)

≈ $51k – $93k per year (Estimated) • Senior • 3+ years exp • Hybrid (Belfast, Derry, United Kingdom) • Full-Time • Senior
PowerShell
JavaScript
Python
DevOps
IAM
Cybersecurity
Okta
LDAP
Active Directory
Apply
Verified live · 2 hours ago 29 days ago Fading · 26%

Senior Data Security Engineer - (Hybrid)

≈ $51k – $93k per year (Estimated) • Senior • Hybrid (Belfast, Derry, United Kingdom) • Bachelor's Degree • Full-Time • Senior
PowerShell
Python
DevOps
Bicep
Platform Engineering
Terraform
Rest API
CI/CD
Azure
Cybersecurity
Microsoft Defender for Cloud
SIEM
DLP
+3
Apply

Olo

olo.com
olo.com • HQ: New York, United States • Catering & Food Services • POS Systems • E-commerce Platforms • 51-200 employees • Est. 2005 • Trust B • Hiring 12, 2 new
HQ: New York, United States • Catering & Food Services • POS Systems • E-commerce Platforms • 51-200 employees • Est. 2005 • Trust B • Hiring 12, 2 new
Olo is a SaaS company that builds software for restaurants and food brands to manage and grow their digital ordering and delivery operations. Its products sit at the point where a customer places an order, a restaurant fulfils it, and the business needs to keep the experience consistent across channels. In practice, that means helping restaurant groups handle online ordering, delivery integration, and the operational workflows that sit behind high order volumes, while also supporting the data and reliability requirements that come with taking payments and routing orders accurately.
No named decision-maker yet.
No careers mailbox known
Verified live · 2 hours ago 6 days ago Hiring now · 86%

Staff Security Engineer - Blue Team (UK)

≈ $94k – $166k per year (Estimated) • Staff+ • 5+ years exp • Belfast • Remote (United Kingdom) • Full-Time • Staff
API Gateway
Windows
Linux
Kubernetes
AWS
Cybersecurity
PCI DSS
Zero Trust
SIEM
Apply

PA Consulting

paconsulting.com
paconsulting.com • HQ: London, United Kingdom • Engineering Services • Management Consulting • 501-1000 employees • Est. 1943 • IT services • Trust B • Hiring 95, 20 new
HQ: London, United Kingdom • Engineering Services • Management Consulting • 501-1000 employees • Est. 1943 • IT services • Trust B • Hiring 95, 20 new
PA Consulting is a British consultancy founded in 1943 that combines management consulting with product design and engineering, an unusual pairing that lets it take a client from strategy through to a physical or digital product. Its work spans government and defence, health and life sciences, energy and utilities, consumer and manufacturing, and its Cambridge technology centre has designed everything from medical devices to the original mechanism behind the Trident razor. Headquartered in London and majority owned by Jacobs since 2021, it employs several thousand consultants, engineers and designers.
No named decision-maker yet.
No careers mailbox known
Verified live · 2 hours ago 7 days ago Likely open · 63%

Security Operations Consultant

≈ $75k – $137k per year (Estimated) • Senior • 5+ years exp • Hybrid (Belfast, United Kingdom) • Full-Time • Senior • English
Splunk
GCP
Azure
AWS
Cybersecurity
Crowdstrike
Microsoft Sentinel
Microsoft Defender
SIEM
MITRE ATT&CK
NIST CSF
ISO 27001
+3
Apply

Upwind Security

upwind.io
upwind.io • HQ: San Francisco, United States • Vulnerability Management • Application Security • Cloud Security • 501-1000 employees • Startup • Hiring 96, 13 new
HQ: San Francisco, United States • Vulnerability Management • Application Security • Cloud Security • 501-1000 employees • Startup • Hiring 96, 13 new
Upwind Security is a cloud security company headquartered in San Francisco that builds a cloud-native application protection platform (CNAPP) combining agentless scanning with eBPF-powered runtime sensors. The platform covers cloud security posture management, entitlements and data security posture, vulnerability and container security, API security and cloud detection and response, and the company was founded by the team behind Spot.io, which NetApp acquired. Its main engineering hub is in Ramat Gan, Israel, with sales and support teams in the US, UK, Singapore and Australia hiring account executives, security engineers, backend and frontend developers and support engineers.
No named decision-maker yet.
Careers mailbox is known
Verified live · 4 hours ago 13 days ago Fading · 29%

Security Engineer

≈ $55k – $126k per year (Estimated) • Hybrid (Belfast, United Kingdom) • Bachelor's Degree • Full-Time
Bash
Python
AI/ML
Fine-tuning
Machine Learning
DevOps
eBPF
Windows
Docker
GCP
Kubernetes
Azure
AWS
+3
Apply

EY

ey.com
ey.com • HQ: London, United Kingdom • Management Consulting • Financial Advisory, Valuation & Restructuring • Tax Advisory & Preparation • Audit & Assurance Firms • 5000+ employees • Est. 1989 • Hiring 5504, 613 new
HQ: London, United Kingdom • Management Consulting • Financial Advisory, Valuation & Restructuring • Tax Advisory & Preparation • Audit & Assurance Firms • 5000+ employees • Est. 1989 • Hiring 5504, 613 new
Headquartered in London, United Kingdom, EY (Ernst & Young) is a multinational professional services network and one of the "Big Four" accounting firms. The organization provides financial assurance and auditing, tax advisory, management and technology consulting, and strategy and transactions advisory through its EY-Parthenon arm. Operating across more than 150 countries, it delivers risk management, digital transformation, data analytics, and regulatory compliance solutions to multinational corporations, financial institutions, and government entities worldwide.
No named decision-maker yet.
Careers mailbox is known
Verified live · 2 hours ago 20 days ago Hiring now · 76%

Senior Manager - Security Architect - Cyber - Technology Consulting - Belfast - IOI

≈ $92k – $157k per year (Estimated) • Staff+ • In office (Belfast, United Kingdom) • Architect
Apply

Pico

picoquantitativetrading.com
picoquantitativetrading.com • HQ: New York, United States • IT Consulting & Digital Transformation • Financial Data & Market Intelligence • 201-500 employees • Est. 2009 • Trust A • Hiring 39
HQ: New York, United States • IT Consulting & Digital Transformation • Financial Data & Market Intelligence • 201-500 employees • Est. 2009 • Trust A • Hiring 39
Pico is a financial technology company headquartered in New York that provides managed infrastructure, connectivity, cloud and market data services to banks, electronic trading firms and other capital markets participants across the trading lifecycle. It operates offices in Chicago, Dublin, London, Belfast, Madrid, Krakow, Singapore, Seoul, Tokyo and Sydney, and its Redline business supplies the InRush low-latency market data software. It hires C and C++ engineers, full stack and site reliability engineers, network and data center engineers, QA staff, information security analysts, product managers, and sales and account managers.
No named decision-maker yet.
No careers mailbox known
Verified live · 1 hour ago Visa sponsor 26 days ago Hiring now · 90%

Information Security Analyst

≈ $63k – $116k per year (Estimated) • Senior • 7+ years exp • In office (Belfast, United Kingdom) • Senior
TCP/IP
Linux
GCP
AWS
Cybersecurity
SIEM
Apply

Kainos

kainos.com
kainos.com • HQ: Belfast, United Kingdom • Custom Software Development • IT Consulting & Digital Transformation • 1001-5000 employees • Est. 1986 • Trust B • Hiring 70, 2 new
HQ: Belfast, United Kingdom • Custom Software Development • IT Consulting & Digital Transformation • 1001-5000 employees • Est. 1986 • Trust B • Hiring 70, 2 new
Kainos is a Belfast technology company founded in 1986 that delivers digital services and Workday implementations. It has built many of the digital services used by British government departments and health bodies. The company also develops the Smart Test automation product for Workday customers worldwide.
No named decision-maker yet.
Careers mailbox is known
Verified live · 1 day ago 1 month ago Likely open · 46%

Senior Security Architect

≈ $100k – $170k per year (Estimated) • Staff+ • In office (London, Belfast, Birmingham, United Kingdom) • Full-Time • Architect
TCP/IP
CI/CD
Cybersecurity
PKI
OWASP
GDPR
Management
Agile
Apply
Verified live · 1 day ago 2 months ago Fading · 25%

Security Architect

≈ $100k – $170k per year (Estimated) • Staff+ • In office (London, Belfast, Birmingham, United Kingdom) • Full-Time • Architect
TCP/IP
CI/CD
Cybersecurity
PKI
OWASP
GDPR
Management
Agile
Apply

Capita

capita.com
capita.com • HQ: London, United Kingdom • Call Center Services • Digital Government • Business Process Outsourcing (BPO) • 5000+ employees • Est. 1984 • Trust A • Hiring 80, 18 new
HQ: London, United Kingdom • Call Center Services • Digital Government • Business Process Outsourcing (BPO) • 5000+ employees • Est. 1984 • Trust A • Hiring 80, 18 new
Capita is a British business process outsourcing and professional services company that runs customer contact, administration, pensions, recruitment, software and digital services for central and local government, defence and private sector clients in sectors such as utilities, telecoms and financial services. Listed on the London Stock Exchange, it employs tens of thousands of people across the United Kingdom, Ireland, India, Poland, South Africa and other countries. The company is headquartered in London, England, United Kingdom.
No named decision-maker yet.
Careers mailbox is known
Verified live · 2 hours ago Visa sponsor 2 months ago Long shot · 6%

Level 3 SOC Analyst

≈ $41k – $94k per year (Estimated) • Hybrid (Belfast, United Kingdom) • Full-Time
Lighthouse
DevOps
Windows
Cybersecurity
Microsoft Sentinel
Microsoft Defender for Cloud
IBM QRadar
SIEM
Microsoft Defender
LogRhythm
Apply

Black Duck

blackduck.com
blackduck.com • HQ: Burlington, United States • DevSecOps • Application Security • 51-200 employees • Est. 2002 • Trust A • Hiring 28, 1 new
HQ: Burlington, United States • DevSecOps • Application Security • 51-200 employees • Est. 2002 • Trust A • Hiring 28, 1 new
Black Duck is a leading application security enterprise specializing in software supply chain security and open-source risk management. The company focuses on delivering automated solutions to detect software vulnerabilities, manage license compliance, and secure digital codebases. Headquartered in Burlington, Massachusetts, it serves enterprise clients worldwide to streamline secure software development workflows.
Anita D'amico · Executive Officer · decision-maker
Frank Zinghini Jr. · Director
No careers mailbox known
Verified live · 3 hours ago 3 months ago Fading · 27%

Senior Cloud Security Engineer

≈ $76k – $138k per year (Estimated) • Senior • 5+ years exp • In office (Belfast, United Kingdom) • Bachelor's Degree • Senior
Python
DevOps
Helm
CloudFormation
Terraform
GCP
Kubernetes
Azure
CI/CD
AWS
Cybersecurity
SOC 2
Threat Modeling
ISO 27001
+4
Apply
Verified live · 3 hours ago 3 months ago Fading · 27%

Senior Vulnerability Manager

≈ $76k – $139k per year (Estimated) • Senior • 5+ years exp • In office (Belfast, United Kingdom) • Senior
CI/CD
Cybersecurity
CVSS
EPSS
KEV
Management
ITSM
Apply

PwC UK

pwc.co.uk
pwc.co.uk • HQ: London, United Kingdom • Tax Advisory & Preparation • Management Consulting • Audit & Assurance Firms • 5000+ employees • Est. 1849 • Trust B • Hiring 1497, 109 new
HQ: London, United Kingdom • Tax Advisory & Preparation • Management Consulting • Audit & Assurance Firms • 5000+ employees • Est. 1849 • Trust B • Hiring 1497, 109 new
PwC UK is the British member firm of the PricewaterhouseCoopers network, based in London and providing audit and assurance, tax, deals, consulting and managed services to companies and public bodies. The PwC network was formed in 1998 by the merger of Price Waterhouse and Coopers and Lybrand, and the UK firm has offices in cities such as Birmingham, Manchester, Leeds, Bristol, Belfast and Edinburgh. The job board linked to this record is a global PwC site that also lists Acceleration Center roles in India, Mexico and the Philippines, hiring associates to directors in managed services, Workday, cybersecurity, tax, strategy and technology consulting.
No named decision-maker yet.
No careers mailbox known
Open 143 days Visa sponsorship 4 months ago Long shot · 4%

Senior Manager - Security Architecture & Assurance

≈ $84k – $155k per year (Estimated) • Senior • In office (London, Leeds, Edinburgh, Manchester, Glasgow, United Kingdom) • Full-Time • Senior
ModSecurity
Apply

Cloudsmith

cloudsmith.com
cloudsmith.com • HQ: Belfast, United Kingdom • Cloud Platforms (IaaS & PaaS) • Developer Tools • 201-500 employees • Est. 2017 • Startup • Trust A • Hiring 12
HQ: Belfast, United Kingdom • Cloud Platforms (IaaS & PaaS) • Developer Tools • 201-500 employees • Est. 2017 • Startup • Trust A • Hiring 12
Cloudsmith is a Northern Irish company founded in 2017. Its cloud-native platform hosts and secures software packages across many formats. The service is used by engineering teams to manage their software supply chain.
Glenn Weinstein · Executive Officer, Director · decision-maker
Lee Skillen · Director
Morgan Gerlak · Director
Alan Carson · Director
Careers mailbox is known
Verified live · 2 hours ago 5 months ago Long shot · 22%

Senior Application Security Engineer

≈ $82k – $145k per year (Estimated) • Senior • 5+ years exp • Belfast • Remote (United Kingdom, Ireland) • PhD • Full-Time • Senior
Rust
Go
TypeScript
Python
JavaScript
AI/ML
Hugging Face
Frontend
GraphQL
npm
DevOps
Amazon S3
IAM
Terraform
Rest API
Docker
CI/CD
AWS
Datadog
eBPF
GitHub
Cybersecurity
OWASP Top 10
SOC 2
CVSS
Zero Trust
Threat Modeling
SLSA
Sigstore
ISO 27001
Okta
Snyk
Trivy
Semgrep
Wiz
+23
Apply
Machines can read this selection · checked 01:14 UTC
Cybersecurity Engineer Jobs in Belfast
Frequently asked questions
How many Cybersecurity Engineer jobs in Belfast are available on Alion?
There are currently 12 active listings from 8 hiring companies on Alion, refreshed daily.
Which companies are hiring for Cybersecurity Engineer jobs in Belfast?
8 vetted startups and product companies are currently hiring on Alion.
Are remote options available for Cybersecurity Engineer jobs in Belfast?
Yes, many of these roles offer remote or hybrid work, and you can filter listings by remote, relocation and visa sponsorship.
How do I apply for Cybersecurity Engineer jobs in Belfast?
Open any listing on Alion and apply directly with the employer through the provided link - no lengthy sign-up required.