[Hiring] System Administrator - Defense Products @arsys EN

arsys EN; United States; Remote; EUR 60,000 - 100,000; Full time

Job summary

Join a leading technology company as a System Administrator specializing in defense products. This role offers the chance to work with cutting-edge technologies while protecting hosting products from cyber threats. You will collaborate with a multicultural team, leveraging your expertise in Linux systems, DDoS mitigation, and automation tools. Enjoy flexible working hours and the opportunity to work remotely or hybrid. This innovative firm values diversity and encourages creative ideas, making it an exciting place to grow your career. If you are passionate about technology and security, this position is perfect for you.

Benefits

Health Insurance

Daycare Allowance

Meal Vouchers

Flexible Working Hours

Remote Work Options

Personalized Training

Employee Discounts

Team Building Events

Qualifications

• Several years of experience in administering complex Linux systems.
• Good analytical skills to evaluate DDoS attacks and implement countermeasures.

Responsibilities

• Plan and operate defense platforms with site reliability and network engineers.
• Evaluate DDoS attacks and continuously develop defense strategies.

Skills

Linux System Administration

Apache Configuration

Nginx Configuration

DDoS Mitigation

Network Routing (BGP, flowspec, anycast)

Automation (Ansible, Puppet, Python)

Analytical Skills

Docker

Kubernetes

ELK-Stack

Education

Bachelor in Computer Science

Comparable Education

Tools

Ansible

Puppet

Docker

Kubernetes

ELK-Stack

Job description

Apr 10, 2025 - arsys EN is hiring a remote System Administrator - Defense Products. Salary: fixed salary with flexible benefits. Location: Europe.

We offer you the opportunity to join the leading Spanish company in the IT sector, with more than 25 years of experience and one of the most solid track records as a provider of technological solutions for companies.

We are a growing company with more than 400 employees and offices in Logroño, Madrid, Barcelona, Seville, Bilbao and Valencia.

Since August 2013, we have been part of the IONOS Group, Europe's leading digitalisation partner for small and medium-sized companies.

In short, we are a multicultural team that’s passionate about technology, bringing our professional experience from over a dozen countries: Germany, Argentina, Spain, the United States, France, the Philippines, Italy, Poland, Portugal, the United Kingdom, Romania...

Tasks

Our team of highly motivated experts against cyber security attacks are looking for more teammates. As a system administrator you will plan and operate together with site reliability engineers and network engineers our defense platforms which protect our hosting products and infrastructure. Besides the classical DDoS Mitigation, we are also responsible for modern web application firewalls, zero trust strategies or content delivery networks (cdn). In a culture which places great value on creative ideas, agile working methods, initiative, and participation you can expect the following tasks:

Conditions

You have studied Computer Science or have completed comparable education. You have a keen interest in security topics, good network knowledge, and have the following qualifications:

• Several years of experience in the administration of complex distributed Linux systems.
• Configuration and operation of Apache and Nginx as reverse proxy or web application firewall.
• Deployment of BGP, flowspec, and anycast routing on Linux systems and network routers.
• A preference to automate with Ansible, Puppet, and Python instead of doing the same manual tasks over and over again.
• Good analytical skills to evaluate DDoS attacks, implement countermeasures, and continuously develop our defense platforms.
• First experience with technologies like Docker, Kubernetes or ELK-Stack are beneficial.
• Like us, you are a fan of Open Source, especially Linux.
• The ability to communicate with an international team fluently in English, German is a plus.

Benefits

• Fixed salary and flexible benefits such as health insurance, daycare allowance, and meal vouchers.
• Flexible working hours to organize your schedule according to your needs.
• Ability to work remotely or hybrid in any of our offices located in Logroño, Madrid, Barcelona, Seville, Valencia, or Bilbao.
• Invitation to our Arsys events, held twice a year, where we team build and throw a great party for our employees.
• Personalized training in cutting-edge technologies, certifications, or any area that interests you.
• Various employee discounts for activities and products.
• We have a motivated, innovative team that is continuously learning. A culture where your opinion and initiative matter. We want to hear your ideas and see you put them into practice.

At Arsys we value diversity and welcome all applications regardless of, for example, gender, nationality, ethnic or social origin, religion, disability, age, as well as sexual orientation and identity, physical characteristics, marital status or any other irrelevant factor subject to applicable law.