Full-Stack Java Developer (GIS)

Spektrum; Oslo; On-site; NOK 900,000 - 1,100,000; Full time

Job summary

Spektrum is seeking a seasoned Java/Full‑stack developer to maintain and modernise NEC CCIS GIS components. You will work across client/server layers using Java EE, JavaScript, HTML/CSS, with a focus on GIS web capabilities and integration to external systems.

On-site at the NEC CCIS System Support Centre in Kolsås near Oslo, you will join a NATO‑focused team, deliver unit tests, and extend ExtJS/LuciadRIA components. NATO Secret clearance and English proficiency preferred.

Qualifications

• Minimum 5 years' experience with Java and Java EE.
• Strong experience with web technologies (HTML5, CSS/SASS, JavaScript, WebSockets).
• Functional professional English (NATO SLP 3333).

Responsibilities

• Maintain and extend the NEC CCIS client/server solution using Java (EE), JavaScript, HTML, and CSS.
• Deliver full‑stack development for the web client, with focus on the GIS.
• Develop server‑side functionality in Java EE, including interfaces to external systems.
• Write and maintain unit tests and automated tests for web applications.
• Extend existing ExtJS components or develop new ones to meet requirements.

Skills

Java

Java EE

HTML5

CSS/SASS

JavaScript

WebSockets

English proficiency

Tools

ExtJS

LuciadRIA

React/Next.js

GIS

Containerised deployment

Job description

Spektrum supports apex purchasers (NATO, UN, EU, and National Government and Defence) and their Tier 1 supplier ecosystem with a wide range of specialist services. We provide our clients with professional services, specialised aerospace and defence sales, delivery, and operational subject matter expertise. We are looking for personnel to join our team and support key client projects.

Who we are supporting

NATO Joint Warfare Centre (JWC), located in Stavanger, Norway, is NATO's premier centre for joint operational and strategic-level collective training and warfare development. As part of the NATO Command Structure and reporting to Supreme Allied Commander Transformation (SACT), the JWC directly supports both SACT and Supreme Allied Commander Europe (SACEUR) by strengthening the operational readiness, interoperability, and effectiveness of NATO Command and Force Structure Headquarters. Through its multinational workforce, the Centre plays a critical role in preparing the Alliance for current and emerging security challenges.

The department we are supporting is responsible for the planning, preparation, and execution of operational and strategic-level exercises and training activities, while integrating warfare development, experimentation, concept development, and lessons learned into NATO's training programmes. By delivering technologically integrated, multi-domain exercises and maintaining joint doctrine and standards, the JWC enhances NATO's decision‑making capabilities, interoperability, and warfighting readiness, ensuring the Alliance remains prepared to respond effectively across the full spectrum of military operations.

Role ID – IFIB-ACT-JWC-26-08-1.1

Role Background

This role sits within the engineering team responsible for maintaining and modernising NEC CCIS, a NATO‑owned Air Command and Control (Air C2) system used across more than 30 sites within the NATO Command and Force Structure. The successful candidate will work across the full client/server stack, with particular focus on the system's web‑based Geographic Information System (GIS) capability, supporting the System Support Centre's ongoing modernisation effort.

Role Duties and Responsibilities

• Maintain and extend the existing NEC CCIS client/server solution using Java (EE), JavaScript, HTML, and CSS
• Deliver full‑stack development for the web client, with particular focus on the web-based GIS
• Develop supporting server‑side functionality in Java EE, including interfaces to external systems using specified protocols and formats
• Write and maintain unit tests and automated tests for web applications
• Extend existing ExtJS components, or develop new ones, to meet requirements not covered by the framework

Essential Skills, Experience and Certifications

• Minimum 5 years' experience with Java and Java EE
• Minimum 5 years' experience with general web technologies (HTML5, CSS/SASS, JavaScript, WebSockets) and web user interaction paradigms
• SFIA experience level 3; NATO Standardised Language Profile (SLP) 3333 (functional professional English)
• Preferred: experience with ExtJS, LuciadRIA, React/Next.js, GIS applications, or containerised application deployment

Working Location

• NEC CCIS System Support Centre, Kolsås, Bærum, Norway (approx. 20km west of Oslo).

Working Policy

• On‑site

Travel

• Occasional short-term tasked travel may be required in support of the NEC CCIS mission.

Security Clearance

• Valid National or NATO Secret personal security clearance
• NATO member-nation citizenship required

Start Date

• January 2027