The company: 

Netcraft is the global leader in cybercrime detection and disruption. We’re a trusted partner for three of the four largest companies in the world, twelve of the fifty largest banks, and five country governments. We’ve blocked almost 200 million malicious sites and perform takedowns on around one-third of the world’s phishing sites.  

Our purpose and expertise are focused on just one thing - protecting the world from cybercrime – and we carry that passion through into our workplace too. Our people are highly talented, and everyone is valued for their individual contribution. That’s why we make sure Netcraft is a great place to work. From free lunches to wellness to social events; we’ve got you covered.

The role:

Based in our London office, you’ll be performing system administration tasks as part of our Infrastructure team.

Day to day, you’ll be:

Triaging and responding to alerts from systems and services

Performing administration of Linux servers

Assisting our engineering and IT teams in debugging networking issues

Administering networking hardware, including firewalls and switches

Putting in place measures to reduce overall system alert volume

Keeping systems up to date with the latest security patches

Ensuring systems have appropriate and functional backups

Engaging and liaising with hardware and software vendors

Proactively identifying and acting on opportunities for improvement and automation
Working in-line with Netcraft’s hybrid work from home policy, present in the office two days a week

The reward package:

An attractive starting salary, reviewed annually

Flexible and hybrid working options

Private health cover, incl. a private GP service

Comprehensive wellness and support provisions

Company pension scheme with 4% employer contributions plus NI savings

33 days holiday per year (incl. public holidays)

Two days paid Volunteering Leave per year

Enhanced family leave benefits

Free meals, snacks and drinks in the offices

Tax-efficient cycle to work scheme

Inclusive culture and environment where you’ll feel genuinely valued and supported

What you’ll need to be successful:

Solid experience of administering Linux systems

Knowledge of networking and Internet technologies

Experience with scripting languages, for example Bash or Perl

Experience configuring and maintaining networking infrastructure (switches, firewalls, VLAN management, etc.)

Strong diagnostic and debugging skills

Understanding of cybersecurity principles

Absolute integrity and discretion, given your potential level of access to sensitive business data

Proactive approach to documentation and knowledge sharing

Ability to prioritise multiple tasks of varying urgency

Excellent communication skills with a high standard of written English

Bonus points if you have experience with:

Virtualisation technologies, especially VMware (vSphere, ESXi) and Proxmox

RHEL-based Linux distributions (RHEL, CentOS, Rocky Linux, etc.)

Configuration management systems, especially Puppet

Mail server administration, especially Postfix

Monitoring tools, especially Nagios

Managing physical hardware (racking servers, Ethernet patching, etc.)

Managing cloud infrastructure, especially AWS

Writing software in Go

Atlassian products, especially Jira

A degree or certification in a relevant area (e.g. CCNA) may be useful but isn’t essential.

If you think this role could be great for you, please do apply. We’d love to hear from you.

Diversity, Equity and Inclusion

This is very important to us and through our ally network we support under-represented groups. We seek to maintain a working environment that is free from bias, harassment or discrimination, and we encourage candidates from any background to apply, regardless of their gender, gender identity, sexual orientation, race/ethnicity, ability/disability, age, religion, or any other specific characteristics.

We’re happy to make any adjustments to our hiring process to ensure that all candidates can participate fully and comfortably.

Please note Netcraft does not accept any unsolicited approaches from external recruiters.

Netcraft

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Linux System Administrator