Role Overview
As a Senior Security Engineer, you will lead the design, implementation, and continuous improvement of enterprise security systems. Your work will span both on-premises and cloud environments, ensuring comprehensive protection against evolving cyber threats. You will be responsible for managing security operations, enhancing monitoring capabilities, and maintaining compliance with internal and external standards.
Key Responsibilities
- Oversee daily security operations, including malware defense, network monitoring, behavioral analytics, data protection, and incident forensics.
- Assess and improve security infrastructure by implementing upgrades and mitigations for firewalls, intrusion detection systems, email and web security, and endpoint protection platforms.
- Refine security alerting and detection mechanisms to identify suspicious or malicious activity with greater accuracy.
- Ensure secure configuration and governance of cloud platforms across IaaS, PaaS, SaaS, and Office 365 environments.
- Develop, maintain, and enforce security policies, procedures, and architectural guidelines.
- Manage relationships with third-party security providers, including SOC, EDR, penetration testing, and network defense services, ensuring service alignment with organizational needs.
- Lead incident analysis and response, providing expert-level support to contain and remediate threats efficiently.
- Collaborate with infrastructure and networking teams to implement security controls and ensure timely patching of vulnerabilities.
- Stay current with emerging threats and advise internal teams on risk mitigation strategies.
- Promote a security-conscious culture through clear communication and cross-functional engagement.
Required Qualifications
- Minimum of 7 years in cybersecurity roles with demonstrated experience in security engineering or analysis.
- Strong understanding of network protocols including TCP/IP, routing, and LAN/WAN architectures.
- Hands-on experience with firewalls, load balancers, IDS/IPS, web proxies, and Virtual Private Networks.
- Deep knowledge of security frameworks, cryptography, authentication methods, and application security principles.
- Proven experience with security tools such as SIEM, EDR, vulnerability scanners, and penetration testing platforms.
- Ability to design and deploy secure systems across hybrid environments.
- Excellent communication skills with the ability to present technical findings to both technical and non-technical stakeholders.
- Track record of working independently and within teams to deliver security outcomes.
Technical Environment
malware protection, network security devices, monitoring and alerting, behavior analytics, data protection, vulnerability management, nextgen firewalls, digital forensics, cloud security (IaaS, PaaS, SaaS, Office 365), SOC, EDR, pen testing, web and email security, TCP/IP, routing protocols, LAN/WAN, firewalls, load balancers, IDS/IPS, web proxies, Virtual Private Networks, cryptography, security protocols
Compensation & Benefits
- Competitive base salary with performance-based bonus
- Eligibility for equity based on role
- 25 days annual leave plus public holidays
- Flexible working hours with potential for remote work
- Comprehensive benefits including private medical insurance, mental health support, fitness program, legal and financial advice
- Company-sponsored pension plan
- Modern equipment: laptop, dual monitors, wireless headphones, and accessories
Work Environment
This role is based in Belfast, Northern Ireland, with flexibility in scheduling and opportunities for remote work. The organization supports a collaborative, innovative culture that values proactive problem-solving and community engagement.
Company Values
- Centering innovation in all initiatives
- Removing obstacles to progress
- Encouraging team involvement through resource groups and local outreach
- Fostering a security-first approach across all functions
- Supporting long-term well-being, including retirement planning
Equal Opportunity Employer
This organization provides equal employment opportunities regardless of race, sex, religion, color, or other protected characteristics.
