Telecommunications & OSS
- Nokia OSS family
- Network assurance
- Operations support
- Technical delivery
Professional profile · 1986–Present
Four decades,
one engineering thread.
Technical depth, customer responsibility, and an enduring interest in how complex systems fit together.
01 / Profile
I am an experienced information technology and telecommunications professional with a career spanning electronic engineering, telecommunications network planning, GIS development, enterprise systems, and Nokia OSS delivery and support.
My work combines technical depth with customer-facing delivery. I enjoy solving difficult operational problems, turning requirements into practical systems, supporting teams, and working with customers across countries and cultures.
Core competencies / Key skills
Analytical
Identifying, examining, improving, and streamlining complex work.
Innovative
Generating workable solutions and resolving complaints.
Knowledge-hungry
Meeting challenges and quickly assimilating new concepts.
02 / Career-wide technical range
Expertise across the stack
A career-wide record, grouped for clarity rather than presented as a current proficiency ranking. The value is in connecting these disciplines in real operational environments.
Platforms & operating systems
- OpenShift
- Red Hat Linux
- Solaris
- AIX
- HP-UX
- IRIX
- Windows Server
Data & infrastructure
- Oracle
- MariaDB/MySQL
- EMC
- HPE
- StorageTek
- Brocade
Application platforms
- IBM WebSphere
- Tomcat
- JBoss
- Apache
- Nginx
Engineering & automation
- Python
- Java
- JavaScript
- PHP
- Perl
- Bash
- Awk
- Sed
- HTML
- CSS
- XML
- XSLT
Virtualisation & containers
- Red Hat OCP
- Kubernetes
- VMware vSphere
- VirtualBox
- Podman/Docker
GIS & design systems
- ArcGIS
- SICAD/Open
- AutoCAD
Source control
- Git
- Subversion
- CVS
03 / Career
Experience, in context
A reverse-chronological record of roles spanning telecommunications operations, GIS, network planning, and electronic engineering.
Telecommunications and OSS delivery, technical leadership, engineering, and global customer support.
Technical Manager – Digital Operations
Nov 2021–Present · Auckland, New Zealand
- Accountable for delivering Nokia OSS-domain solutions across Asia Pacific and Japan, translating requirements into workable end-to-end solutions that may include third-party subsystems.
- Responsible for technical scope, estimates, quality, solution design, development, integration, deployment, dimensioning, documentation, reporting, customer interfaces, sign-off, and feasibility support.
Senior Customer Support Specialist Lead OSS Engineer OSS Engineer
Jun 2015–Nov 2021 · Sydney, Australia
- Delivered specialist customer care, incident resolution, installation, commissioning, upgrades, on-call support, training, workshops, automation, preventive audits, health checks, and performance assessments across Unix, Windows, Linux, Citrix, Oracle, Cisco, and EMC environments.
- Contributed to NetAct OSS and NPM upgrades and migrations for Optus, the Optus 5G launch, OSS Improvement Program, Preventive Troubleshooting Framework, and TF4n log collector introduction.
- Delivered the NPM Opti Dashboard for Vodafone New Zealand and NETRAS expansion for the UNICORN project.
Technical Support Engineer
2008–Jun 2015 · Lisbon, Portugal
- Certified in NetAct 8 System Commissioning and NetAct 8 System Administration.
- Carried out preventive performance audits and assessments for T-Mobile Nederland, Telefónica/Comcel Colombia, and T-Mobile USA.
- Commissioned, upgraded, or migrated NetAct OSS Global Reporter and Performance Manager systems for 3GIS Sweden, Claro Argentina, Elisa Finland, Mobily Saudi Arabia, Movistar Venezuela, Orange Switzerland, Sunrise Switzerland, Taiwan Mobile, Telenor Denmark, Telenor Norway, Vodafone Hungary, Wataniya Kuwait, Zain Saudi Arabia, Chunghwa Telecom Taiwan, and Telefónica O2 Czech Republic.
- Participated in the NetAct OSS Global Reporter GR5.1 pilot for Telenor Norway and Denmark and the Global Monitor GM5.1CD1 pilot for Orange UK.
- Built a graphical performance analyser to support NetAct OSS performance troubleshooting.
NAPRAFORGO Unipessoal Lda.Enterprise GIS services and technical leadership.
Enterprise GIS Support Specialist Engineer
2005–2008
- Owned and operated a service business.
- Designed, developed, deployed, supported, and maintained SICAD/Open GIS applications.
- Administered Solaris, Red Hat Linux, and Oracle systems and maintained the company website.
- Supported Portugal Telecom’s SIG-PT GIS with Siemens Enterprise Communications Portugal, including technical leadership in a multinational team and Oracle 8/9i administration.
L&MARK Informatics Ltd.GIS development, systems administration, and telecommunications network modelling.
GIS Developer
1996–2005
- Developed and supported SICAD/Open solutions and administered Unix, Linux, and Oracle 7/8 environments.
- Served as an ISO 9001 internal auditor.
- Worked on SIG-PT with Siemens Portugal, an Olajterv telecommunications planning system, digital telecommunications network models, SICAD-TelCom-LINE for Siemens Nixdorf, cable-network management systems, GRAFICO for Swiss PTT, and GIS/network-calculation work for DEDASZ and EMASZ.
Fornax Telecommunication Planning Ltd.Landline network planning and Novell administration.
Telecommunication Network Planner Engineer
1995–1996
- Planned landline telecommunications networks and provided Novell administration and support.
Tele-Plus American-Hungarian Ltd.Telecommunications exchange planning and engineering systems.
Telecommunication Network Planner Engineer
1994–1995
- Worked on the Szekszárd and Salgótarján exchange projects, developed an AutoCAD-based planning system, and administered and supported Novell systems.
Fazis-Kontakt Telecommunication Planning Ltd.Urban and rural telecommunications network planning.
Telecommunication Network Planner Engineer
1992–1994
- Planned urban and rural networks, including the Angyalföld reconstruction and Pápa exchange work.
Budapest Electroacoustic FactoryMeasurement engineering and technical systems support.
Special Instrument Engineer
1986–1992
- Developed microprocessor- and PC-controlled measurement hardware and software.
- Managed business-machine and software registration and support.
Systems thinking
From physical infrastructure to operational outcomes.
04 / Foundations
Education
B.Eng in Electronic Engineering
Kandó Kálmán Politechnical College, Budapest
Acoustics and telephone exchange techniqueElectronic Technician
Corvin Mátyás Technical School of Telecommunication, Budapest
Telecommunications05 / Recognition
Honours & awards
5 May 2025Successful acceptance of NAC-PMNokia
- Award type: Appreciate Excellence
- Nominator: Peeyush Singh
Peeyush Singh thanked István Téli and the team for their dedication, hard work, and sense of ownership in achieving the successful acceptance of NAC-PM by the operations team.
19 December 2024TPG - NPM to NAC MigrationNokia
- Award type: Business Excellence
- Nominator: Butros Younis
Butros Younis recognised István Téli’s hard work, coordination, dedication, and commitment in achieving this milestone despite earlier setbacks. The message also highlighted teamwork across S&C and his leadership in bringing the wider CNS teams together, and was signed by Tony, Boutros, Sudeep, and Ziad.
12 November 2024Big Thank You - TPG NPM to NAC MigrationNokia
- Award type: Applaud Excellence
- Nominator: Sameer Mahendra Shah
Sameer Mahendra Shah recognised István Téli’s contribution to the TPG NPM-to-NAC migration. As technical lead, István owned the complete solution and ensured that it was delivered to the required standards and quality. He went beyond his role, developed and implemented his own ideas to migrate the data to a high standard, and resolved critical issues without depending on product upgrades. This strengthened the customer’s trust in Nokia solutions and opened further opportunities for NAC FM and AIOps.
The recognition thanked István for his hard work, perseverance, and leadership in achieving the successful outcome.
28 January 2021Optus NPM HPE 3PAR deployment and NPM20 sw upgradeNokia
- Award type: Praise Excellence
- Nominator: Satyajit Deb
Satyajit Deb recognised István Téli’s contribution to the Optus NPM HPE 3PAR deployment and NPM20 software upgrade. The deployments, pre-checks, and post-checks ran smoothly, without issues being raised by stakeholders.
2 September 2019Thanks for your hard work Care team!Nokia
- Award type: Praise Excellence
- Nominator: Andrew Heaton
Andrew Heaton recognised the Care team’s effort and support during two critical faults over a weekend. Although the Care contract did not cover non-business hours, the team considered the faults’ criticality, discussed the situation with the Optus Operations Director, and agreed on a support plan. Rather than waiting until Monday morning, the team went above and beyond its contractual obligations to support the customer.
23 November 2018NetAct18 SP1808, NetAct18A SP1810, NPM18.6Nokia Networks
- Award type: Praise Excellence
- Nominator: Mohan Vankadara
Mohan Vankadara recognised István Téli for working long hours to bring up Lab RC15 and production RC16, and for supporting cross-domain teams within Optus and Nokia during the NPM18.6 upgrade.
2 October 2018Appreciate ExcellenceNokia Networks
- Award type: Appreciate Excellence
- Nominator: Karl Linhart
Karl Linhart recognised István Téli for contributing to almost every new LTE software or hardware introduction under Apollo++ over the preceding 12 months. He worked under extreme pressure, consistently delivered, and became the go-to person for his team.
6 July 2016Star of the Month - June 2016Nokia Networks
- Award type: Applaud Excellence
- Nominator: Forgotten User
The recognition was based on internal feedback from team members. Willie, Sagar, Jutedy, and István worked around the clock in shifts on the NetAct upgrade during June, demonstrating dedication and attention that inspired their colleagues.
While working on a project in New Zealand, István also put in additional hours to provide a method of procedure and remotely resolve an Optus NPM issue. On another occasion, he provided clarification on PTF configurations and offered further assistance after his normal working hours. The recognition highlighted his dedication and helpfulness in supporting the team.
3 June 2016Optus NetAct 16.2 upgrade in 5 days rotation 24/7Nokia Networks
- Award type: Appreciate Excellence
- Nominator: Peter Csorba
Peter Csorba recognised István Téli’s effort during the Optus NetAct 15.5 to 16.2 RC12 upgrade, when he worked in a 24/7 rotation for five days to complete the complex upgrade without issues. His dedication and commitment were highlighted as an example of Nokia’s Achievement value.
3 May 2016Best team everNokia Networks
- Award type: Praise Excellence
- Nominator: Peter Csorba
Peter Csorba recognised a team of committed individuals who collaborated, supported and respected one another, built trust, and were not afraid to challenge. He highlighted the team’s different personalities, skills, and knowledge as strengths that enabled its members to learn from one another and develop while doing their work.
The recognition thanked István Téli for the dedication, contribution, and support he demonstrated every day.
22 February 2016Optus OSS improvementsNokia Networks
- Award type: Appreciate Excellence
- Nominator: Peter Csorba
Peter Csorba thanked István Téli for his efforts in making improvements to the Optus OSS over the preceding year through his continued commitment, professionalism, and excellent customer relationship management.
31 January 2016Optus NPM issue resolutionNokia Networks
- Award type: Appreciate Excellence
- Nominator: Peter Csorba
Peter Csorba thanked István Téli for working beyond his normal hours and during a public holiday to resolve an issue in the Optus network. His hard work, dedication, and ownership prevented the problem from developing into a major issue.
11 December 2015Optus OSS improvement programNokia Networks
- Award type: Praise Excellence
- Nominator: Peter Csorba
Peter Csorba thanked István Téli for his due diligence in investigating the customer’s OSS issue and developing a solution that would improve customer satisfaction. He described the work as a strong first step in the wider improvement program and noted that the customer also appreciated István’s support.
February 2015MBB Customer Support STAR AwardNokia Networks
Awarded to István Téli for excellent customer support for Optus Australia, Cosmote Greece, Taiwan Mobile, Eronet Bosnia and Herzegovina, Cellcom Israel, Ooredoo Qatar, and Mobily Saudi Arabia, either directly or in support of colleagues.
The recognition was signed by Mairit Hollstén-Väinölä, Head of MBB Customer Support, and Kitta Virtavuo, Head of Business HR, Customer Support & Management Operations.
19 December 2014Excellent support for NPM2 roll-outNokia Networks
- Award type: MBB R&D Excellence Spotlight
- Nominator: Asko Uolevi Honkanen
Asko Uolevi Honkanen thanked István Téli for his commitment and support in deploying the latest NPM2 releases for customers. He recognised István’s clear accountability for his assigned tasks and described him as an excellent role model for Nokia’s Achievement value.
22 October 2014NPM-NA8 RC integration challenge attitudeNokia Networks
- Award type: Appreciate Excellence
- Nominator: João Maçãs
João Maçãs thanked István Téli for his work and challenging attitude on the NPM integration with the NA8 RC topic. He recognised István’s willingness to ask difficult questions and push for the right results.