Service Reliability Engineer
PLOT NO II F/1, BLOCK II F, RA, Kolkata, India
Recruiter: Aparajita
Hiring Manager: Jajati Mishra
Career Grade: F
Internal Closing Date: 25th November 2025
Job Description – Service Reliability Engineer
- Networking Fundamentals: TCP/IP, DNS, DHCP, BGP, OSPF, MPLS, Switching, STP, RSTP, SVI, VLAN, HSRP, SDWAN
- Network Protocols & Services: HTTP/HTTPS, VPN, Load Balancing
- Reliability Engineering: SRE principles, SLAs, SLOs, SLIs
- Incident Management: Root Cause Analysis (RCA), Postmortems
- Performance Optimization: Latency, Throughput, Packet Loss
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Job Details |
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Job title |
Service Reliability Engineer - AREDFA |
Reports to (job)
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Team lead- Service Ops.
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Business Unit |
Business |
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Team |
UK Shared Desk |
Location |
Kolkata |
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Job Dimensions |
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Hours |
Full time and 24 X 7 shifts |
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Direct Reports |
NA |
Career Level |
F |
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Why BT? |
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We’ve always been an organisation with purpose; to use the power of communications to make a better world. You can trace this back to our beginning as pioneers of the world’s first telecommunications company. At our heart we’re a technology company with research and innovation in our bones and a desire to be personal, simple, and brilliant for our customers - those are the values we live by whilst also creating an inclusive working environment where people from all backgrounds can succeed.
Our pursuit of progress over the past 180 years has established BT as a strong, successful brand, with huge scale capable of achieving great things. From supporting emergency services, hospitals, banks and keeping economies around the world online, safe and secure, to delivering large scale technology infrastructure like the creation of BT Sport.
Today in this fast changing, always on, digital world our purpose remains true. Yet the market conditions, regulation and competition we face are tougher than ever before. So if you have the drive, optimism and resilience to help propel us forward we’ll offer unrivalled personal development, a wealth of opportunities to learn, experience new things and pursue new careers. If that’s you and what you’re looking for, we’d love you to be part of our future. |
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Why Business Unit/Function |
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We are in an incredibly competitive industry and it’s not just the technology that’s important, but the world of promise it creates for our customers. We live and work in a connected world where people want seamless service, great products and the best connectivity there is, as well as continually expecting more and more from us, and rightly so. Technology is BT’s powerhouse, with our expert technologists, we have a unique position in BT. By bringing together our technical and commercial expertise, and our insight and passion for customer experience, we help BT stand out from the competition. With the best networks and smart innovative products, combined with a personal experience, it sets us apart from the pack.
Innovation drives everything we’ve done since BT started in 1846. Coming up with new ideas and developing new technologies is central to our future. We want to improve people’s lives for the better in welcome, relevant and affordable ways and we’ll be fast to market with an effortless experience to match. We will continue to focus on developing our converged network capabilities which will give customers seamless connectivity. Our skilled people will lead this technological revolution, not only for our customers but for the industry across the Globe, truly making customers our heartbeat.
In Technology, we’re creating an inclusive working environment where people from all backgrounds can succeed. We value different perspectives, skills and experiences. We’re happy to consider ways of working that will mean you can perform at your best. |
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Why this job matters |
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Front line, technical customer service agents who demonstrate excellent customer care skills (e.g. owning, driving, communicating/updating and living the 3 BT values) such that customers that they contact/contact them are left ‘delighted’ with the experience.
Providing in-depth technical support to customers through solution monitoring, localisation and remote repair. Undertake Incident, Problem, Event and SACM activities as part of the multi skilled role.
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What I’ll be doing – your accountabilities |
Skills required for the job |
Business Impact:
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Qualifications:
Skills/Experience:
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Connected leaders behaviours |
Experience you would be expected to have |
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Key decisions |
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Able to make most decisions. Refers non-standard customer queries/escalations upwards |
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Why this job matters
The Network Technician 3 assists in the delivery of hardware, configuration and fiber connectivity of interdependent scaling projects across several client locations.
What you’ll be doing
1. Delivers critical customer technical support for network, hardware, and infrastructure development.
2. Executes across technical areas including systems requirements data analysis, engineering, systems design, systems development, computer programming, systems testing and deployment, quality assurance, configuration management, and systems documentation.
3. Analyses user interfaces, maintains network, hardware, and software performance tuning, analyses workload and computer usage, maintains interfaces with outside systems, and analyses proposed system modifications and upgrades.
4. Defines the problem and develops system requirements and specifications.
5. Prepares required documentation including program-level and user-level documentation; enhances existing software systems.
6. Manages work and priorities through ticketing system and workflow.
7. Collaborates with various stakeholders to remove project obstacles.
8. Troubleshoots networking, routing and interconnectivity issues, including troubleshooting of network device configuration and low to mid-level application interaction.
9. Participates in the migration, basic configuration and rollout of new or upgraded hardware.
10. Delivers support to include project management tasks, meeting facilitation, and ad hoc duties as needed.
11. Executes and delivers within standardised procedures in order to achieve objectives and the vision of the Network Engineering team.
The skills you’ll need
Our leadership standards
Looking in:
Leading inclusively and Safely
I inspire and build trust through self-awareness, honesty and integrity.
Owning outcomes
I take the right decisions that benefit the broader organisation.
Looking out:
Delivering for the customer
I execute brilliantly on clear priorities that add value to our customers and the wider business.
Commercially savvy
I demonstrate strong commercial focus, bringing an external perspective to decision-making.
Looking to the future:
Growth mindset
I experiment and identify opportunities for growth for both myself and the organisation.
Building for the future
I build diverse future-ready teams where all individuals can be at their best.
With over 175 years of heritage, BT is now the flagship business brand of BT Group. We’ve brought together our best people and capabilities into a B2B powerhouse serving 1.2 million business customers internationally.
We’re a global leader for secure connectivity and collaboration platforms for businesses of all shapes and sizes, from big household names and government departments, right through to sole traders and new start-ups. But it’s not just the technology that matters, it’s what it can do to help them build stronger, smarter, more secure businesses.
We value diversity and inclusion and believe in making a positive impact. We connect for good by championing digital inclusion and equipping people, businesses, and communities with digital skills to thrive.
As a member of our team, you will be part of an organisation that celebrates difference, fosters innovation and provides you with opportunities to be your best. With millions of businesses relying on us daily, joining BT means you can be part of a diverse and multi-skilled team that makes a significant impact to society.
A FEW POINTS TO NOTE:
Although these roles are listed as full-time, if you’re a job share partnership, work reduced hours, or any other way of working flexibly, please still get in touch.
We will also offer reasonable adjustments for the selection process if required, so please do not hesitate to inform us.
DON'T MEET EVERY SINGLE REQUIREMENT?
Studies have shown that women and people who are disabled, LGBTQ+, neurodiverse or from ethnic minority backgrounds are less likely to apply for jobs unless they meet every single qualification and criteria. We're committed to building a diverse, inclusive, and authentic workplace where everyone can be their best, so if you're excited about this role but your past experience doesn't align perfectly with every requirement on the Job Description, please apply anyway - you may just be the right candidate for this or other roles in our wider team.