Sr. Engineer - Application Development - OSS (Python)
Colt Technology Services
Bangalore, India
5d ago

At Colt we are changing the perception of our business and industry sector. As part of this transformation we are growing new services and teams to facilitate and drive the business to the next level.

Colt provides world-class network and communications services to information intensive businesses across Europe, Asia and North America.

With local market understanding and global reach - Colt is big enough to deliver and small enough to care.

  • Leads Development and Design of OSS Inventory Systems & Interfaces for fulfilment of Colt Network Data Services Products Layer 2 / 3 Services - Ethernet, IP Access, IP VPN, SDN / NFV etc.
  • Engages with Operations Engineering, ITA, & Product Teams for fulfilment & service activation e.g. for CISO NSO / Cammunda platform, and leads implementation
  • Leads High / Low level systems designs till implementation, modification and integration of systems, throughout the project lifecycle.
  • Deliver Enhancements / Projects in line with business requirements and business strategy and goals
  • Understand business requirements and engage with project team including Architects, Business Analysts, Service Delivery, Service Assurance - NOC, Product Managers, QA, and other cross functional teams
  • Ensure thorough Impact assessment of OSS and review BRSD / HLD during new engagements.
  • Key accountabilities

  • Ensure delivery within agreed budget & timescales.
  • Provide effort estimate and liaise with COTS Vendors
  • Respond to technical queries / requests from team members and customers.
  • Contribute to System design, development till implementation throughout the project lifecycle.
  • Other accountabilities (optional)

  • Provide thorough Transition to support teams post project go live.
  • Provide Level 3 support to bugs / defects reported by end users during application lifecycle.
  • Key performance indicators (financial and non-financial)

  • Reduce Reworks, Systems Defects and issues with ratio aligned as per functional objective
  • Identify significant percentage of Customer service & performance data and takes appropriate action to resolve issues
  • Increase in customer satisfaction, user experience and NPS etc. KPIs.
  • Relationships and key contacts

  • Project Leads
  • Project Managers
  • Business Analysts
  • Architects
  • Production Support Teams
  • Internal Development teams
  • Role specific requirements


  • 10 or more years’ experience leading Full-Stack application development in Telecom & OSS domain.
  • Hands On experience on Service Activation / Fulfilment Systems Development primarily on Cisco NSO.
  • Knowledge of OSS domains like service fulfilment, assurance, inventory management processes and related COTS.
  • Detailed Knowledge in Layer2 / Layer3 Devices Services integration, mainly on Cisco, Juniper MX, Accidiean devices integration
  • Should have strong programing background mainly language hands Python, Microservices, Javascript etc.
  • Hands-on expertise on Full stack Technologies / Frameworks UI ReactJS, AngularJS, JQuery Web Services SOAP & REST, Frameworks - Django, Jinja, Flask etc.
  • BMP / Middleware Apache Kafka, Cammunda,. RDBMS Oracle Build Maven, Ant, Jenkins etc.

  • Creative problem-solving skills and superb communication Skill.
  • Desirable

  • Reviews and ensures that detailed designs comply with the architectural approach and high level design.
  • Estimation Frameworks FPA
  • Knowledge on OSS / TMF standards, TCP protocols, SSH, NETCONF, Telecom Services like VOIP, IP Access, VPN will be added advantage.
  • Understanding of ITIL Processes.
  • Ability to explain and bridge the gap between business oriented drivers for OSS transformation and technically oriented solution users.
  • Qualifications

  • B.Tech, B.E, M. Sc., BCA, MCA or PG degree in IT
  • Example Behaviours : Others


  • Be aware of colt information security, business continuity, quality and other ISO or equivalent policies / industry standards and discharge duties against them as appropriate.
  • Identify risks related to process and information security and treat / mitigate the same as appropriate
  • What we offer :

    Colt is a growing business that is investing in its people. We offer skill development, learning pathways and accreditation to help our people perform at their best, regardless of role and location.

    In addition to offering competitive salaries and incentive plans, a range of benefits and local rewards packages are offered to staff.

    Colt recognises the importance of a work life balance.

    Some benefit examples are :

  • Flexible working and relaxed dress code
  • Two days annually to spend on volunteering opportunities
  • Access to Online-learning Platform
  • Business mentoring
  • option of parking slots in the Colt Campus
  • lunch vouchers
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