Senior Messaging Engineer - 3rd line - Exchange/Email Security
Job Title: Senior Messaging Engineer - 3rd line - Exchange / Email Security
Location: Hybrid - 2 days per week onsite in London or Leeds
Salary/Rate: Up to £250/day INSIDE IR35
Start Date: ASAP
Job Type: 9 month contract - very likely to extend
Company: Financial Services/Banking client
We are hiring for an SC Cleared Senior Messaging Engineer with strong third-line support experience, deep expertise in Exchange / email security, and the ability to design, improve, and stabilize complex messaging environments.
Key Responsibilities
- Implement, support, and enhance enterprise messaging and email security solutions
- Provide third-line support for messaging-related incidents and escalations
- Manage and improve Exchange Online and Exchange Hybrid environments
- Support and administer secure email gateways and encryption technologies
- Troubleshoot complex messaging issues and drive root-cause resolution
- Lead and contribute to initiatives aimed at simplifying and modernising email estates
- Mentor junior engineers and support first- and second-line teams
- Produce clear technical and user documentation
- Work across multiple workstreams, balancing competing priorities and deadlines
Essential Skills & Experience
- Strong experience with Exchange Online and Exchange Hybrid
- Proven background supporting secure enterprise messaging in complex environments
- Hands-on experience with email security gateways and encryption technologies
- Strong PowerShell scripting and automation skills
- Excellent troubleshooting and problem-solving abilities
- Strong written and verbal communication skills
- Experience mentoring and knowledge-sharing with wider support teams
Desirable Experience
- Experience with Mimecast and/or Clearswift
- Knowledge of email DNS and authentication (SPF, DKIM, DMARC, MX records)
- Experience with email encryption (PGP, TLS, PME)
- Exposure to email journaling and archiving solutions (e.g. Enterprise Vault)
- Experience migrating complex messaging environments to Exchange Online
- Familiarity with Agile delivery and sprint-based working
- Knowledge of ITIL processes (Incident, Problem, Change)
Apply now for immediate consideration