System Administrator - Network Detection and Response

We are looking for a System Administrator to join our Application Operations department in Oslo. You will work with Network Detection and Response (NDR) technology at the core of mnemonic’s Managed Detection and Response (MDR) service, helping operate and improve the systems our security teams and customers rely on every day.

The Application Operations department currently consists of 17 dedicated employees responsible for the operation and maintenance of mnemonic’s MDR service and its supporting systems. We also assist with the implementation of our MDR solutions for customers.

mnemonic delivers MDR services to the international market and holds market share in the UK, the Netherlands, Switzerland and Australia, in addition to a strong presence across the Nordic region.

About mnemonic

mnemonic is the leading provider of IT and information security services in the Nordic region, offering a unique combination of services and solutions. We currently employ more than 400 security experts and is growing rapidly both in Norway and internationally. In addition, year after year, we have been recognised by Great Place to Work as one of the best workplaces in Norway and Europe.

Every day, mnemonic works on critical incidents side by side with some of Europe’s most important organisations in the fight against cyber attacks. We actively participate in recognised research projects and are a trusted source of intelligence for Europol and other global law enforcement agencies through our threat intelligence work.

How we work

We have a flat organisational structure with minimal bureaucracy, where your opinions and suggestions are valued regardless of your level of experience. mnemonic offers an informal and friendly working environment that encourages personal development, influence over your own work and a broad range of responsibilities.

The Application Operations department is responsible for maintaining and supporting systems including different NDR, EDR and SIEM solutions.

As part of the Application Operations team, your responsibilities will include:

• Participating in customer implementation projects, with a focus on our NDR sensor technology.

• Developing and continuously improving functionality in our in-house NDR technology and related solutions.

• Contributing to the architecture, design and continued development of the NDR codebase.

• Taking technical ownership of the NDR technology, including system health, performance and operational stability.

• Monitoring system health and proactively identifying and resolving technical issues.

• Troubleshooting, incident handling and providing third-line technical support for the NDR technology.

• Performing technical maintenance, upgrades and improvements to ensure the continued reliability and maintainability of the solution.

• Developing automation tools and scripts to improve operational efficiency and supportability.

• Taking part in the on-call rotation for third-line daytime support and out-of-hours support.

• Collaborating with other departments regarding the planning and implementation of new solutions, changes to existing functionality and troubleshooting.

• Taking overall system ownership of one or more of our products, with particular responsibility for the technical lifecycle and continued development of the NDR technology.

What we are looking for

We are looking for candidates who:

• Are eager to learn and solution-oriented

• Are service-minded and willing to contribute wherever needed

• Are able to work independently

• Have strong communication skills, and are fluent in Norwegian and English

• Holds a bachelor's or master's degree in IT, networking or a related field

• Has a couple of years of professional experience. Personal projects undertaken during studies are also considered relevant. This includes experience with:

  • Suricata and Zeek

  • Practical problem-solving using scripting languages such as Python and Bash

  • Linux systems and networking

What we offer

• An informal and friendly working environment, with excellent opportunities for personal development and varied responsibilities

• A unique and highly experienced environment, with more than 400 security specialists working daily on some of the most challenging and exciting professional issues within information security

• Competitive salary, employee share programme and bonus scheme, providing the foundation for a long-term career, including pension and insurance benefits

• A supportive working environment with a strong focus on social events and activities. We actively promote an inclusive workplace with a healthy work–life balance and family-friendly policies

• Attractive offices at Solli Plass in Oslo and opportunities for remote working

• A workplace that has repeatedly been recognised as one of the best by Great Place to Work