OSS Application Support Engineer

Tech Mahindra; Reading; On-site; GBP 60,000 - 62,000; Full time

Job summary

Tech Mahindra is seeking an experienced OSS Application Support Engineer to join our team in Reading. You will support a portfolio of OSS platforms, ensuring high availability, performance, and service assurance in a multi-vendor telecoms environment.

The role requires 5+ years of OSS experience, strong Unix/Linux, Python scripting, and ITIL-based service management. You will collaborate across teams, own automation initiatives, and help drive resilient operations and continuous improvement.

Qualifications

• Minimum 5 years’ OSS application support experience in telecoms or large IT environments.
• Hands-on OSS tools experience: Broadcom Spectrum, EXFO Worx, Versa SD-WAN.
• Strong Unix/Linux background.
• Proficient in Python and shell scripting for automation.
• SQL and database knowledge (Oracle/MySQL).
• Networking knowledge (mobile/core/IP/SD‑WAN).
• ITIL incident/problem/change management.
• Cloud platforms (AWS, Azure).
• AI/AIOps concepts familiarity in operations.
• Automation and orchestration tool experience.
• Security and compliance awareness.
• Excellent communication and stakeholder management.
• Attention to detail and quality.

Responsibilities

• Provide day-to-day support, administration and maintenance of OSS applications across monitoring and service assurance domains.
• Monitor system performance, availability and health, ensuring proactive identification and resolution of issues.
• Perform incident, problem and change management activities in line with ITIL processes.
• Carry out system upgrades, patching and vulnerability remediation in collaboration with vendors and internal teams.
• Support system integration activities, including northbound and southbound interfaces.
• Develop and maintain automation scripts to improve operational efficiency and reduce manual effort.
• Conduct root cause analysis and drive long-term fixes for recurring issues.
• Maintain accurate technical documentation, runbooks and operational procedures.
• Work closely with network, engineering, security and vendor teams to ensure smooth service delivery.
• Support disaster recovery planning and testing to ensure platform resilience.
• Contribute to continuous improvement initiatives, including automation, cloud adoption and AI-driven operations.

Skills

OSS applications

Unix/Linux

Python scripting

SQL databases

ITIL

Cloud platforms

Automation scripts

Stakeholder mgmt

Education

Degree in Computer Science or Engineering

Tools

Broadcom Spectrum

EXFO Worx

Versa SD-WAN

Job description

Tech Mahindra offers technology consulting and digital solutions to global enterprises across industries, enabling transformative scale at unparalleled speed. With 149k+ professionals across 90+ countries helping 1100+ clients, TechM provides a full spectrum of services including consulting, information technology, enterprise applications, business process services, engineering services, network services, customer experience & design services, AI & analytics, and cloud & infrastructure services. It is the first Indian company in the world to have been awarded the Sustainable Markets Initiative’s Terra Carta Seal, in recognition of actively leading the charge to create a climate and nature-positive future. Tech Mahindra (NSE: TECHM) is part of the Mahindra Group, founded in 1945, one of the largest and most admired multinational federations of companies.

Role Type: Fixed Term

Budget: 60-62K GBP / Annum

Experience: 5+ years

Role Overview

We are looking for an experienced OSS Application Support Engineer to join our team, supporting a portfolio of business-critical OSS platforms within a complex, multi-vendor telecoms environment.

This role will be responsible for the support, maintenance, monitoring and continuous improvement of OSS applications, ensuring high availability, performance and service assurance across network operations.

The ideal candidate will bring strong technical expertise across OSS tools, Unix environments, automation and ITIL-based service management, along with the ability to work collaboratively across teams and stakeholders.

Key Responsibilities

• Provide day-to-day support, administration and maintenance of OSS applications across network monitoring and service assurance domains
• Monitor system performance, availability and health, ensuring proactive identification and resolution of issues
• Perform incident, problem and change management activities in line with ITIL processes
• Carry out system upgrades, patching and vulnerability remediation in collaboration with vendors and internal teams
• Support system integration activities, including northbound and southbound interfaces
• Develop and maintain automation scripts to improve operational efficiency and reduce manual effort
• Conduct root cause analysis and drive long-term fixes for recurring issues
• Maintain accurate technical documentation, runbooks and operational procedures
• Work closely with network, engineering, security and vendor teams to ensure smooth service delivery
• Support disaster recovery planning and testing to ensure platform resilience
• Contribute to continuous improvement initiatives, including automation, cloud adoption and AI-driven operations

Required Skills & Experience

• Minimum 5 years’ experience in OSS application support within telecoms or large-scale IT environments
• Hands-on experience with OSS tools such as:Broadcom Spectrum, EXFO Worx ,Versa SD-WAN, Other network monitoring and management platforms
• Strong experience working in Unix / Linux environments
• Proven experience in Python and shell scripting for automation
• Solid understanding of databases (Oracle / MySQL) and strong SQL skills
• Good understanding of networking concepts (mobile, core, IP or SD-WAN environments)
• Strong knowledge of ITIL framework, including incident, problem and change management
• Exposure to cloud platforms (such as AWS, Azure or similar)
• Understanding of AI / AIOps concepts and their application in operations
• Experience with automation and orchestration tools
• Knowledge of security and compliance standards
• Excellent communication skills, both written and verbal
• Strong stakeholder management and ability to work across multiple teams
• Analytical mindset with strong problem-solving skills
• Ability to work in a fast-paced, high-availability environment
• Proactive, self-driven and able to take ownership of tasks and outcomes
• Strong attention to detail and commitment to quality

Qualifications

• Degree in Computer Science, Engineering, Mathematics or a related discipline

Why Join Us

• Opportunity to work in a large-scale, multi-vendor telecoms environment
• Exposure to modern OSS, automation and emerging AI technologies
• Collaborative team with strong technical expertise
• Opportunity to contribute to next-generation network operations and transformation

Tech Mahindra is an Equal Employment Opportunity employer. We promote and support a diverse workforce at all levels of the company. All qualified applicants will receive consideration for employment without regard to race, religion, color, sex, age, national origin or disability. All applicants will be evaluated solely on the basis of their ability, competence, and performance of the essential functions of their positions.