NGET SCADA SMTP Postfix SME
Posted 1 day ago by eTeam Workforce Limited
Negotiable
Inside
Hybrid
Birmingham, United Kingdom
Summary: The NGET SCADA SMTP Postfix SME role is focused on building and deploying an on-premises email relay infrastructure using Postfix, requiring extensive expertise in SMTP protocols and secure mail server configuration. The position is primarily remote with minimal on-site requirements and is classified as inside IR35, necessitating PAYE through an umbrella company. The ideal candidate will have a strong background in Linux system administration and experience with enterprise-level email solutions.
Key Responsibilities:
- Document, build, and deploy an on-premises email relay infrastructure using Postfix.
- Implement a robust, secure, and scalable Postfix-based relay solution that integrates with enterprise systems.
- Understand and implement Low-Level Design (LLD) documentation.
- Troubleshoot mail delivery and server performance issues.
- Write technical documentation related to the email relay infrastructure.
Key Skills:
- Extensive hands-on experience with Postfix in enterprise environments.
- Strong understanding of SMTP protocols, email routing, and mail security.
- Proficiency in Linux system administration (e.g., RHEL, CentOS, Ubuntu).
- Experience in reading and implementing Low-Level Designs.
- Familiarity with TLS, SPF/DKIM/DMARC, SASL protocols.
- Ability to integrate into core solutions such as VCF, HPE, SIEM, and LDAP/AD.
- Scripting experience (e.g., Bash, Python) for automation and monitoring.
- Strong technical documentation writing skills.
Salary (Rate): £537/day
City: Birmingham
Country: United Kingdom
Working Arrangements: hybrid
IR35 Status: inside IR35
Seniority Level: undetermined
Industry: IT
Role Title: NGET SCADA SMTP Postfix SME
Location: Birmingham, Foundry, 6 Brindleyplace, Birmingham, B1 2JB | Hybrid - 99.5% remote. 0.5% customer office (unlikely)
Duration: 27/02/2026
MUST BE PAYE THROUGH UMBRELLA
Role Description:
BPSS and SC/SC eligible.
seeking a highly skilled and hands-on Postfix SMTP Relay Engineer to document, build, and deploy an on-premises email relay infrastructure using Postfix. This role requires deep expertise in SMTP protocols, mail routing, and secure Mail Server configuration. They will be need to understand Low-Level Design (LLD) documentation and have proven experience in implementing a robust, secure, and scalable Postfix-based relay solution that integrates with enterprise systems.
Required Skills & Experience:
Extensive hands-on experience with Postfix in enterprise environments.
Strong understanding of SMTP protocols, email routing, and mail security.
Proficiency in Linux system administration (eg, RHEL, CentOS, Ubuntu).
Experience in reading and implementing Low-Level Designs.
Familiarity with TLS, SPF/DKIM/DMARC, SASL protocols
Ability to integrate into core solutions such as VCF, HPE, SIEM and LDAP/AD.
Strong troubleshooting skills for mail delivery and server performance issues.
Scripting experience (eg, Bash, Python) for automation and monitoring.
Strong at writing technical documentation
Preferred Qualifications:
Knowledge of high availability, load balancing, and mail queue management.
Familiarity with email archiving, retention policies, and compliance frameworks.