Penetration Tester
Haystack
Date: 9 hours ago
City: Belfast
Contract type: Full time
Remote
We are working with a fast-growing cybersecurity services company dedicated to helping small and medium-sized enterprises achieve critical compliance and bolster their digital defenses. They are entering an exciting phase of growth and seeking a skilled professional to join their expanding team.
The Role
The Role
- Lead penetration testing across web applications, networks, APIs, cloud environments, and mobile applications
- Conduct red team assessments and social engineering engagements
- Assess risks, deliver tailored security solutions, and produce actionable reports for clients
- Mentor junior team members and contribute to their professional development
- Proven hands-on experience in penetration testing, ethical hacking, and red teaming
- Proficiency with industry-standard tools like Burp Suite, Metasploit, Nmap, and Kali Linux
- Strong understanding of exploit development, privilege escalation, and post-exploitation techniques
- Scripting ability in Python, Bash, PowerShell, or Ruby
- Familiarity with cloud security testing (AWS, Azure, GCP) and container environments
- Excellent report writing and communication skills, engaging both technical and non-technical stakeholders
- Competitive compensation, including equity options
- A genuinely autonomous role with significant freedom to shape your approach
- A collaborative, innovative team culture that fosters growth
- Ongoing training and the necessary tools to ensure your success
How to apply
To apply for this job you need to authorize on our website. If you don't have an account yet, please register.
Post a resumeSimilar jobs
Operations Supervisor
FedEx EU,
Belfast
£14.63
per hour
5 days ago
Supervising a team of operatives and drivers
Making sure all team members are motivated and treated fairly and consistently
Planning and taking action to achieve service levels targets
Educating your team on business goals and service objectives
Making sure your team follows safe, secure and operationally compliant working practices during the shift
We have an exciting opportunity for you to...
SEHSCT_Mammographer/Plain Film Radiographer
Health and Social Care Trust,
Belfast
£38,682
-
£46,580
per year
2 weeks ago
Branch: Belfast Area (SEHSCT)
Location: UH, Main Building
Salary: Band 6 (£38,682 - £46,580)
Contract Type: Temporary
Opening date: 29/05/26
Closes:
Fri, 12 June 2026 @ 5:30 PM
Interview Dates: TBC
Notes: Important Information If you are submitting a manual application, please post it to: Recruitment Shared Services, Rosewood Villa, Longstone Hospital Site, 73 Loughgall Road, Armagh, BT61 7PR. Applications...
Principal Software Engineer
Instil Software Ltd,
Belfast
3 weeks ago
The Role
We’re looking for experienced Principal Software Engineers who enjoy solving complex technical problems, shaping architecture, and leading the design and delivery of high-quality software in production environments.
This role is suited to someone who combines strong hands-on engineering capability with technical leadership. You’ll work across backend systems, cloud infrastructure, and distributed architectures, helping teams make sound technical decisions...