At a Glance
- Tasks: Design, configure, and maintain secure network infrastructures while troubleshooting Wi-Fi and wired networks.
- Company: Join a dynamic team at iSAM, focused on innovative network solutions and collaboration.
- Benefits: Enjoy a permanent role with opportunities for growth, remote work options, and a supportive culture.
- Other info: Opportunity to work with cutting-edge technologies and participate in an on-call rota.
- Why this job: Make a real impact by enhancing network performance and reliability in a collaborative environment.
- Qualifications: Bachelor's degree or equivalent experience with 4+ years in network support/engineering roles required.
The predicted salary is between 36000 - 60000 £ per year.
iSAM is an innovative, financial technology firm specialising in quantitative trading, comprised of iSAM Funds and iSAM Securities.
iSAM Securities regulated by the FCA, SFC, and CIMA registered, is a leading algorithmic trading firm and trusted electronic market maker, providing liquidity, technology and prime services to institutional clients and trading venues globally. The firm offers full-service prime brokerage and execution via its cutting-edge proprietary technology, as well as market leading analytics, cleared through the group’s bank Prime Brokers.
iSAM Funds is an alternative asset manager specialising in systematic investing. Each strategy is unique, provides a specialist quantitative approach and is designed to deliver highly diversifying absolute returns for institutional portfolios.
Summary:
We are actively seeking a highly skilled Network Engineer with a robust background in Wi-Fi, switching, routing, firewall technologies, and network automation principles. The ideal candidate will possess extensive knowledge of network protocols, network security, and automation frameworks to enhance overall network performance and reliability.
Responsibilities:
• Design, implement, and maintain network infrastructure across data centers, cloud environments, and office settings.
• Develop and implement firewall policies and VPN connectivity solutions.
• Install, configure, and cable network hardware within a data center environment.
• Collaborate closely with infrastructure and development teams to ensure that network solutions align with business requirements and adhere to engineering best practices.
• Develop and implement network automation tools to enhance operational efficiency and minimize manual intervention.
• Provide business-as-usual support for network infrastructure and participate in an on-call rotation.
• Produce and maintain comprehensive technical documentation.
Required Skills & Experience:
Core Networking
• Extensive enterprise and data center networking experience, with expertise equivalent to CCNP/CCIE level.
• Thorough understanding of networking fundamentals, including the OSI model, TCP/IP, routing, switching, and network design principles.
• Experience with:
o BGP, MP-BGP, VRF, and route leaking
o Internet and private peering connectivity
o Multicast technologies (IGMP/PIM)
o OSPF
Network Security
• Solid understanding of firewall policies, IPSEC VPNs, SSL technologies, and network security best practices.
• Experience in implementing and supporting Network Access Control (NAC) platforms such as Cisco ISE, Arista AGNI, or similar 802.1x solutions.
Automation & Observability
• Experience with Python scripting and network automation frameworks.
• Operational proficiency in Linux.
• Hands-on experience with some of the following tools:
o Ansible
o Terraform
o Jinja2
o NetBox
o Git, GitLab CI/CD
Bonus Qualifications:
• Experience with overlay networks (EVPN / VXLAN).
• Experience with cloud networking technologies across AWS, Azure, or GCP.
• Experience in low-latency, high-performance, or financial services environments.
• Familiarity with observability and monitoring platforms including:
o Prometheus
o Alert Manager
o Grafana
Personal Attributes:
- Clear communication – articulates technical concepts concisely and effectively.
- Adaptability – adjusts to new technologies and navigates unexpected challenges.
- Analytical thinking – systematically breaks down complex issues.
- Decision-making – balances speed and accuracy in technical decisions.
• Collaboration over competition – prioritizes team success over individual achievements.
• Accountability – follows through on commitments and takes ownership of mistakes.
• Patience – provides support to teammates as they learn or troubleshoot issues.
• Open to feedback – welcomes and applies suggestions for improvement.
• Growth mindset – consistently seeks ways to enhance skills and workflows.
• Proactiveness – takes initiative rather than waiting for direction.
Key Outcomes:
Success in the Network Engineer role at iSAM extends beyond network management—it encompasses building relationships, problem-solving, and making a significant impact on the team and the organization.
• Contributes to a positive, inclusive team culture where knowledge sharing is encouraged.
• Enhances automation frameworks, thereby reducing manual effort and deployment risks.
• Resolves issues swiftly and documents solutions for future reference.
• Takes full responsibility for automation scripts, CI/CD pipelines, and Infrastructure as Code (IaC) tools.
• Recognized by peers and leadership as a dependable resource for automation challenges.
• Trusted to make informed decisions that align with team and company objectives.
Network Engineer in London employer: iSAM
At iSAM, we pride ourselves on being an exceptional employer, offering a dynamic work environment in the heart of London where innovation and collaboration thrive. Our commitment to employee growth is evident through continuous learning opportunities and a culture that values knowledge sharing, ensuring that our Network Engineers not only enhance their technical skills but also contribute meaningfully to impactful projects. With competitive benefits and a focus on work-life balance, we create a supportive atmosphere that empowers our team to excel and make a lasting difference.
StudySmarter Expert Advice🤫
We think this is how you could land Network Engineer in London
✨Tip Number 1
Familiarise yourself with the specific technologies mentioned in the job description, such as Arista, Fortinet, and Meraki. Having hands-on experience or projects that showcase your skills with these vendors can set you apart from other candidates.
✨Tip Number 2
Network automation is a key focus for this role, so be prepared to discuss your experience with tools like Ansible and Terraform. Consider creating a small project or script that demonstrates your ability to automate network tasks, which you can share during the interview.
✨Tip Number 3
Since communication is highlighted as an important personal attribute, practice explaining complex networking concepts in simple terms. This will help you convey your technical knowledge effectively during interviews and show that you can collaborate well with non-technical team members.
✨Tip Number 4
Research StudySmarter's culture and values, particularly around teamwork and accountability. Be ready to provide examples from your past experiences that demonstrate how you embody these traits, as cultural fit is often just as important as technical skills.
We think you need these skills to ace Network Engineer in London
Some tips for your application 🫡
Tailor Your CV:Make sure your CV highlights relevant experience in network engineering, particularly with Wi-Fi, switching, routing, and firewall technologies. Use specific examples to demonstrate your skills in these areas.
Craft a Strong Cover Letter:In your cover letter, express your enthusiasm for the role and the company. Mention how your background aligns with their requirements, especially your experience with network automation and security protocols.
Showcase Relevant Skills:Clearly list your technical skills that match the job description, such as proficiency in Python scripting, knowledge of NAC principles, and experience with multi-vendor environments. This will help you stand out.
Prepare for Technical Questions:Anticipate technical questions related to networking fundamentals and troubleshooting. Be ready to discuss your experience with specific tools and technologies mentioned in the job description.
How to prepare for a job interview at iSAM
✨Showcase Your Technical Skills
Be prepared to discuss your experience with networking fundamentals, including OSI Model, TCP/IP, and routing protocols. Highlight specific projects where you've implemented or troubleshot network solutions, especially in multi-vendor environments.
✨Demonstrate Problem-Solving Abilities
Expect to face scenario-based questions that assess your analytical thinking and decision-making skills. Prepare examples of how you've resolved complex network issues and improved performance in previous roles.
✨Communicate Clearly and Effectively
Since clear communication is key in this role, practice explaining technical concepts in a straightforward manner. Be ready to discuss how you would document processes and share knowledge with your team.
✨Emphasise Collaboration and Adaptability
Highlight your ability to work well in a team and adapt to new technologies. Share experiences where you've collaborated with others to achieve a common goal, and be open about how you handle feedback and learn from challenges.
