Senior Network Security Engineer

We’re a London company exclusively serving the capital’s residents and businesses. We are leading the way in bringing future-proof, super-fast and reliable broadband at a fairer price.

We’re also passionate about giving back to the communities we serve. So farwe've connected 600 community spaceswithfree 1 Gbps Fibre Broadband. We also train qualified Digital Ambassadors to help bridge the digital divide in London communities.

Unlike most providers,we build, own and operateour dedicated fibre optic network withthemost reliable broadband technologyyou’ll find —100% full fibre. It’sfuture-proof, energy efficient, sustainable, and isup and running over 99.9% of the time with no peak-time slowdowns. This means we don't have to rely on Openreach, or anyone else's, outdated copper cables.

With us, you getexcellent rated service,incredible speeds and outstanding reliabilityright from the get-go.

Now that'sbetter broadband for everyone.

Hi there! Thanks for stopping by our job ad.

We’re London’s largest and fastest 100% full fibre broadband provider, bringing better internet to Londoners since 2013. Unlike most providers, we build, own and operate our dedicated fibre optic network and install it directly into the home, meaning we can deliver a super-fast connection at prices the national providers find hard to beat. We’re a relatively new company to the market, but since establishment:

1. We’re the only broadband provider on the market offering residential speeds up to 3,000 Mbps.
2. Our network covers over 1.3 million properties in London, which is more than one third of homes in the UK’s capital city.
3. We have over 800,000 properties under wayleave agreement and are currently working in partnership with more than 200 of London’s biggest landlords.
4. We have freely connected over 600 community spaces in 24 boroughs, giving more Londoners free access to fast, reliable broadband.

We’re proud of our achievements so far, but we are not complacent and definitely not stopping here. To help us get to our future, we’re looking for forward thinkers, people with big ideas, people passionate about technology and most importantly hard working team players to join us and be a part of our growing business.

Job purpose:

The purpose of this role designs, plans, and installs all Security aspects that supports the CFL network communications systems. Involved in a wide range of issue including secure architecture, secure electronic data traffic, and networks. Ensures correct function of network security monitoring tools.

Monitors anomalous security activity, reports and supports resolution.

Leads For Network and acts as a matrixed Team member in IT Security Operations on a day to day operations of critical network security infrastructure. Represents the business at all TSA forums (internally and externally) as required.

Develops and implements security tools, procedures and measures in the network security environment.

Recognises and identifies potential threats to the network and systems connected to the network. Identifies and manages network security risks through to resolution.

This role takes direction from Network and Systems Technical Architects and also leads on projects, proactively developing systems capabilities.

What you’ll be doing:

• Leads For Network and acts as a Team member on the IT Security Operations on a day to day operations of critical network security infrastructure.
• Develops and implements security tools, procedures and measures in the network security environment.
• The Network Security Engineer is responsible for designing, testing and implementing full automation of building and maintaining ISP networks at scale.
• They have the responsibility of the design, integration, deployment, and performance evaluation of the full end to end Network (Core-Distribution-Aggregation-Access) following a continuous integration and development approach on all aspects.
• Analyse technical architecture of Network (Core- Distribution and access levels) to understand security dependencies, points of failure, impacts, to provide recommendations for Network and continuously improve security and resiliency across our infrastructure.
• Identify and manage network security risks through to resolution. Drives out root cause of issues to prevent recurrence.
• Keeps up to date with all latest industry risks mitigation and best practices.
• Maintaining knowledge of current and future information security threats and challenges.
• Adept and creative skills for solving complex technical network across multiple functions.
• In-depth troubleshooting, troubleshoot issues efficiently while effectively communicating escalations and outcomes.
• Network aptitude. The skill to take a new technology, research it, test it in the lab and deploy it live.
• Lead significant projects including design, development, integration and deployment
• Continuously improve existing automated functional and non-functional monitoring scripts and tools
• Supporting Operations in their patching schedules, and acting as an escalation point
• Act as a senior member for the Network Technology team, providing an escalation point and acting as a mentor to other engineers in the team.
• Provide technical support to the team and the wider business and take part in an on call 4th line support rota.
• Reports on risk mitigation and resolution to the Senior Leadership Teams.
• Any reasonable request within your range of competence as required by your Manager.

The experience we’re looking for you to bring:

• The Engineer should have 5-10 years of experience working as a security / network risk engineer in an Internet Service Provider / Telecommunications engineering environment
• In-depth Knowledge of information security standards (eg, ISO 17799/27002, etc.), rules and regulations related to information security and data confidentiality and desktop, server, application, database, network security principles for risk identification and analysis.
• Excellent communication (oral, written, presentation), interpersonal and consultative skills.
• Strong analytical and problem solving skills.
• Ability to develop effective and cooperative working relationships with APS departments and employees
• Advance experience in monitoring infrastructure and applications using tools like Zabbix and Grafana Enterprise and or Cloud
• Knowledge of SNMP polling, trap and streaming telemetry, MIB & OID understanding and translation.
• Good knowledge of programming languages Python / Ansible
• Working with automation / DevOps tools
• Competent/Advanced MS Excel (or other analysis tools)
• Proficient in writing technical documentation for all audience levels

Why join us:

• You get to work with some of the best technology in the market
• Be part of an exciting scale up business where you can bring your ideas, bring your knowledge, we value your contribution
• We all love time off whether that’s going on an exotic holiday or a staycation, you’ll get 25 days holiday to enjoy, increasing by 1 day for each year of service up to 28 days
• Birthday leave, our treat to you
• Keen cyclist, join our cycle to work scheme
• Flexible WFH policy
• Enjoy the perks of Private health cover
• You get to work with an amazing bunch of people

What happens next:

You’ve done your bit so sit back and relax, we will review your application and come back to you.

If we think you’re not quite right for the role you have applied for but may be a better fit for another, we’ll definitely let you know.

Want to know more about a career at CFL, check out our careers page: 

https://careers.communityfibre.co.uk/

We are an Armed Forces friendly organisation.

We are an equal opportunities employer that values diversity in our team, we welcome applications from all backgrounds.