---
title: 'SIM Engineer I at Cubic³'
canonical: 'https://feeny.ai/job/sim-engineer-i-cubic3-dublin-ktp6hnvffy5t'
type: 'job'
last_seen: '2026-09-10'
---

# SIM Engineer I at Cubic³

- **Company:** Cubic³
- **Location:** Dublin, Ireland
- **Employment:** full-time
- **Work type:** hybrid
- **Posted:** 2026-07-23
- **Last confirmed live:** 2026-09-10
- **Apply:** https://jobs.ashbyhq.com/cubic3/76142280-0e44-405c-8cc0-5603e7996ac0

## Job description

The Company Cubic³ provides advanced software-defined vehicle solutions to over 200 countries around the world. Our powerfully smart connectivity enables leading automotive, agriculture, and transportation OEMs to deliver innovative new services and fully compliant in-vehicle experiences that customers desire, regardless of local market requirements. We believe in leadership that supports empowerment and responsibility, while recognising and developing leadership qualities across Our Team. Together we bring out the best in each other. So, whether you’re interested in joining us as an individual contributor, manager, senior leader – or someone who aspires to growing into a leadership role – we look for people who are results focused, empathetic, visionary, empowering, and who ‘champion’ our cultures and values.

## The Role

We are looking for a SIM Engineer Level I with hands-on experience in SIM and eSIM technologies. You will join a dynamic SIM Engineering team and play a key role in delivering Cubic³ solutions within the evolving SIM/eSIM Remote SIM Provisioning technology domain.

The SIM Engineer Level I will contribute to building advanced connectivity solutions, managing SIM/eSIM card logistics and fulfilment, and providing technical support to our global customers. You will work directly with the latest developments in eSIM and emerging connectivity standards.

## Responsibilities

- Design, validate, and maintain electrical and logical profiles for SIM and eSIM products
- Develop and implement Java Card applets for SIM/eSIM services, ensuring compliance with 3GPP, ETSI, and GSMA standards
- Create and update technical documentation (e.g., applet specifications, test plans)
- Collaborate with cross-functional teams spanning mobile core networks, security, and device vendors
- Support the development, testing, and integration of SIM-based applications and tools
- Utilize smart card test and trace tools to ensure quality and performance
- Participate in technical reviews, troubleshooting, and team meetings

What’s in it for you

- Involvement in end-to-end SIM/eSIM ordering and provisioning processes
- Opportunities to work with advanced IoT and connectivity technologies
- Professional growth and skills development in a collaborative environment
- The ability to drive ideas and technical initiatives within a highly skilled team

Required Skills & Experience

- Bachelor’s degree in engineering, computer science, or a related discipline
- 3+ years of relevant experience in telecoms technology, connectivity, or related sectors
- Proven experience with SIM/eSIM technologies and protocols (APDU, ISO 7816)
- Knowledge of 3GPP, ETSI, and GSMA standards
- Experience with Java, Java Card, or scripting languages
- Familiarity with mobile network elements and smart card technologies
- Strong analytical and problem-solving skills; quality-focused and self-motivated
- Effective written and verbal communication skills

Desirable

- Experience with Git, Postman, or smart card test tools (e.g., Comprion)
- Exposure to Kanban/Agile methodologies

New hires at Cubic³ are required to work onsite five days a week during their six-month probation period to get to know the company, their team, and our ways of working. After probation, we offer a flexible arrangement of up to eight work-from-home days per month, provided it aligns with business needs and performance standards. This arrangement is not a given for all roles.

Cubic³ is an equal opportunities employer and committed to fostering a diverse and inclusive workplace.

## About Cubic³

## Company Overview
- **One-liner**: Cubic³ delivers smart, secure, cloud-based global connectivity solutions for software-defined vehicles (SDVs) and high-value mobile assets, enabling OEMs to manage, analyse, and monetise connected fleets across 200+ countries.
- **Entity Type**: Private (no public filings or funding rounds disclosed)
- **Headquarters**: Dublin, Ireland (The Hive, Carmanhall Road, Sandyford, Dublin 18)
- **Founded**: Not publicly available
- **Founders**: Not publicly available

## Core Business
- **Primary industries**: Automotive (software-defined vehicles), Agriculture, and other sectors relying on mobile asset connectivity (e.g., logistics, heavy machinery)
- **Target customers**: B2B – OEMs (original equipment manufacturers) and enterprises that need global, compliant, and intelligent connectivity for vehicles and mobile assets
- **Mission / Purpose**: To provide smart, secure, and truly global connectivity that unlocks new revenue streams, operational efficiency, and innovation for OEMs in fast-moving industries

## Products & Services
- **Cubic3 Cloud**: Cloud-based platform that provides real-time analytics, insights, and a unified view of connected assets across the globe; enables OEMs to localise connectivity, comply with regional regulations, and make data-driven decisions.
- **Intelligent3**: Managed connectivity offering with real-time analytics and insights that help OEMs unlock revenue-generating opportunities.
- **Secure3**: Security protocols tailored for SDVs, protecting data and meeting mandatory regulatory requirements.
- **Everywhere3**: Global connectivity footprint covering 200+ countries through partnerships with 550+ mobile networks, ensuring seamless roaming and compliance.

All offerings are SaaS/platform based.

## Market Standing
- **Valuation / Market Cap**: Not disclosed
- **Key Metric**: 29 million+ connected vehicles; 550+ mobile network partnerships; reach in 200+ countries (as of 2025/2026)
- **Notable Investors / Partners**: Tier 1 mobile network operators globally; board members include Hirokazu Uechi and Satoshi Uchiyama (likely representing a strategic investor, possibly Sumitomo Corporation or similar – not explicitly stated)
- **Growth Signals**: Strong headcount growth indicated by a diverse team of 46+ nationalities; active graduate programme launched for 2026; expanding offices in Dublin, Munich, and Detroit; “202 market leaders trust us” (from website)

## Competitive Advantages
- **Unmatched global footprint**: 200+ countries and 550+ mobile networks via Tier 1 partners – difficult for competitors to replicate.
- **Vertical expertise**: Deep focus on software-defined vehicles (SDVs) and mobile assets, offering security, compliance, and analytics tailored to automotive and agriculture OEMs.
- **Cloud-native platform**: Real-time data and insights give OEMs a strategic edge in monetising connectivity and improving operational efficiency.
- **Established trust**: 29M+ connected vehicles and a client list of 202 market leaders indicate strong OEM adoption.

## Strategic Focus
- Continue to scale global connectivity partnerships and expand into new industries (e.g., smart agriculture, logistics).
- Invest in security and regulatory compliance capabilities to future-proof SDV connectivity.
- Grow the engineering and product teams (highlighted by graduate programme and multiple open roles) to accelerate platform innovation.
- Strengthen OEM relationships by enabling new revenue streams through data-driven insights.

## Why Work Here
- **Culture**: Emphasises empathy, vision, empowerment, accountability, and helpfulness. Diverse team of 46+ nationalities; active employee-led inclusion initiatives.
- **Work policy**: Office-first culture with core working hours in modern offices; provides free healthy food and weekly yoga classes at the Dublin office. Locations: Dublin (HQ), Munich, Detroit.
- **Benefits**: Competitive salaries, stock options, retirement plans, comprehensive medical/dental/income protection/life assurance, generous time off (including parental and marriage leave), education support, financial workshops, and well-being programmes.
- **Career development**: Formal and informal learning programs; graduate programme; pay equity reviews.
- **Engineering culture**: Focus on cloud, connectivity, real-time data, and scaling global infrastructure – ideal for engineers interested in IoT, SDVs, and networking.

## Sources
1. [cubic3.com](https://www.cubic3.com/) – Company homepage, product overview, statistics
2. [cubic3.com/about](https://www.cubic3.com/about/) – About page, in-depth profile
3. [cubic3.com/careers](https://www.cubic3.com/careers/) – Careers page with benefits, culture, locations
4. [cubic3.com/leadership](https://www.cubic3.com/leadership/) – Executive leadership team
5. [jobs.ashbyhq.com/cubic3](https://jobs.ashbyhq.com/cubic3) – Current job openings

## Other roles at Cubic³

- [Accounts Payable Specialist](https://feeny.ai/job/accounts-payable-specialist-cubic3-dublin-8fkhwf12yhd7) — Dublin, Ireland
- [Software Support Engineer](https://feeny.ai/job/software-support-engineer-cubic3-manila-97t6x5218ejr) — Manila, Philippines
- [Application Support Engineer](https://feeny.ai/job/application-support-engineer-cubic3-manila-spnate41w53n) — Manila, Philippines
- [Senior Support Engineering Manager](https://feeny.ai/job/senior-support-engineering-manager-cubic3-dublin-p97199cypngs) — Dublin, Ireland
- [Chief Financial Officer](https://feeny.ai/job/chief-financial-officer-cubic3-dublin-6zcf6g7wxgjf) — Dublin, Ireland
- [SIM Engineer I](https://feeny.ai/job/sim-engineer-i-cubic3-madrid-me91fqs6mzp2) — Madrid, Spain
- [SIM Engineer II](https://feeny.ai/job/sim-engineer-ii-cubic3-madrid-zymev5sahzzr) — Madrid, Spain
- [SIM Engineer II](https://feeny.ai/job/sim-engineer-ii-cubic3-dublin-z6a557p3gexa) — Dublin, Ireland