Senior Security Analyst
Location: Portsmouth (Hybrid – 2-3 days onsite per week)
Salary: £47,000 – £50,000 + Career Progression Opportunities
We are seeking an experienced Senior Security Analyst to join a growing cybersecurity team supporting a range of enterprise clients within a fast-paced managed services environment. This is an excellent opportunity for a security professional with strong MSSP experience who is looking to take the next step in their career, with a clear pathway into a future SOC Manager position.
This role offers exposure to a broad security landscape, opportunities to influence operational maturity, and long-term progression into leadership, with the potential to progress into a SOC Manager role over the coming years.
Key Responsibilities
- Monitor, investigate, and respond to security incidents across multiple client environments
- Perform threat detection, triage, analysis, and remediation activities
- Lead incident response activities and provide technical guidance to junior analysts
- Analyse alerts from SIEM, EDR, IDS/IPS, and other security tooling
- Conduct threat hunting and proactive security monitoring
- Support continuous improvement of SOC processes, playbooks, and operational procedures
- Collaborate with infrastructure and engineering teams to strengthen security posture
- Produce detailed incident reports and client-facing documentation
- Assist with vulnerability management and security compliance activities
- Contribute to mentoring and development of junior team members
Required Experience
- Proven experience working within an MSSP environment
- Strong background in Security Operations / SOC environments
- Experience with SIEM platforms such as Microsoft Sentinel, Splunk, QRadar, or similar
- Knowledge of EDR technologies and incident response methodologies
- Strong understanding of network security, firewalls, endpoint security, and threat intelligence
- Experience investigating and responding to security incidents in enterprise environments
- Excellent analytical and problem-solving skills
- Strong communication and stakeholder management abilities
Desirable Skills
- Relevant certifications such as Security+, SC-200, CySA+, CISSP, or similar
- Experience with cloud security technologies (Azure, AWS, Microsoft 365)
- Knowledge of MITRE ATT&CK framework and threat hunting methodologies
- Scripting or automation experience (PowerShell, Python, etc.)
What’s on Offer
- Hybrid working model (2-3 days onsite in Portsmouth)
- Clear progression pathway into SOC leadership
- Opportunity to grow into a SOC Manager role with future earning potential around £80,000
- Supportive and collaborative security team environment
- Exposure to enterprise-scale security operations and technologies
- Ongoing professional development and certification support
This role would suit an ambitious Senior Security Analyst who is looking for long-term growth, leadership development, and the opportunity to help shape the future of a growing SOC function.