DEPARTMENT: IT
STATUS: 37.5 hours per week, Permanent.
SALARY: Competitive and based on experience and qualifications.
LOCATION: Kochi, India / Hybrid
THE POSITION
We are seeking a skilled and motivated Network / Security Engineer to join our team on a fixed-term contract. The successful candidate will be responsible for designing, implementing, maintaining, and securing our network infrastructure, ensuring high availability, performance, and compliance with security best practices.
Whether you’re looking to step up into your next level of responsibility, develop your technical or consultancy skills, gain more exposure to client-facing work, or broaden your project portfolio, this role offers significant scope for growth. We understand that career journeys aren’t always linear, this opportunity may equally suit someone seeking a sideways move into a new team, discipline or environment where they can make a real difference and apply existing expertise in a fresh context. At TNEI, you’ll be supported to shape a career pathway that fits your goals while contributing to high impact projects.
DUTIES AND RESPONSIBILITIES WILL INCLUDE:
- Design, implement, and maintain secure network infrastructure, including LAN/WAN, VPNs, firewalls, and cloud networking components.
- Proactively monitor network performance and security, troubleshoot complex issues, and ensure high availability and resilience of systems.
- Deploy, configure, and manage security controls such as firewalls, intrusion detection/prevention systems (IDS/IPS), endpoint protection, and access controls.
- Perform regular vulnerability assessments, support remediation activities, and lead or assist in incident response and root cause analysis.
- Maintain accurate technical documentation, support audits, and ensure compliance with organisational policies and industry security standards (e.g., ISO 27001, NIST).
REQUIREMENTS
Essential requirements include:
- Proven experience as a Network Engineer, Security Engineer, or similar role.
- Strong knowledge of networking protocols (TCP/IP, DNS, DHCP, routing and switching).
- Hands-on experience with firewalls (e.g., Cisco, Fortinet, Sonicwall) and VPN technologies.
- Familiarity with security frameworks and standards (e.g., ISO 27001, NIST, CIS).
- Experience with network monitoring and security tools.
- Knowledge of cloud networking and security (AWS, Azure, or GCP) is desirable.
- Strong troubleshooting and analytical skills.
- Excellent communication and documentation abilities.
Desirable requirements:
- Relevant certifications (e.g., CCNA, CCNP, CISSP, CompTIA Security+).
- Experience with automation and scripting (e.g., Python, PowerShell).
- Familiarity with SIEM tools and log analysis.
- Experience in incident response and threat management.
TNEI
TNEI is a specialist, vibrant consulting company that has been at the forefront of providing expert technical advice to electricity network companies, renewable energy developers, regulators and funding institutions all over the world since it was established in 1999. By nurturing the top talent in the energy industry we’ve built a solid reputation of developing innovative solutions and solving complex problems associated with achieving net zero. We offer a fast-paced learning environment with excellent career development opportunities. Join us and become part of the net zero energy revolution.
TNEI staff at the heart of the business
TNEI is an Employee Ownership Trust meaning that the people who work in the business directly benefit from and influence the direction and future success of the company.
TNEI has always been proud of its inventive and collaborative culture. That culture is at the heart of its success and ensures innovative and novel approaches to supporting and helping solve challenges facing our client base. An Employee Ownership Trust embodies this company culture in which we all feel responsible for the business’ performance and success.
By remaining independent, the company is able to retain its culture and reputation and allow staff to feel even more connected to the company.
Find out what it’s like to be part of our team and visit ‘life at TNEI’ on our website’s careers page.
Why should you apply?
- Work life balance: 25 days holiday & a day off to celebrate your birthday
- Flexible working: Hybrid, core hours & annual alternative working location
- Career growth: Development opportunities & funded professional memberships
- Financial rewards: Discretional annual bonus scheme, employee ownership dividend & pension
- Wellbeing support: Private healthcare, EAP & enhanced sick pay
- Family-friendly: Enhanced family & carers leave
- People & Community: Cycle to Work, travel loan, discounts platform, socials & charity matching
How to apply
Please apply using the ‘Apply Now’ form on the Careers Page on our website, and upload your CV and covering letter, demonstrating why you are suitable for the role and any previous experience.
Closing date for applications:
Applications will close on or before the 31 August 2026
Successful candidates will be invited to interview on receipt of application. Therefore, if you are planning to apply, we recommend that you do so without delay.
Equality, diversity and inclusion
TNEI promotes equality, diversity and inclusion in a space where all are respected.
