Senior Network Engineer

Senior Network Engineer

London Full-Time 48000 - 72000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Design and manage cutting-edge network infrastructure using Cisco technologies and automation tools.
  • Company: Join Janus Henderson, a leader in financial services dedicated to client success and community impact.
  • Benefits: Enjoy hybrid working, generous holidays, paid volunteer time, and wellness perks like Headspace subscriptions.
  • Why this job: Be part of a diverse team that values collaboration, innovation, and professional growth.
  • Qualifications: CCNP certification or equivalent experience with strong skills in Cisco networking and automation.
  • Other info: Flexible working options available; we welcome applicants from all backgrounds.

The predicted salary is between 48000 - 72000 £ per year.

Why work for us? A career at Janus Henderson is more than a job, it’s about investing in a brighter future together. Our Mission at Janus Henderson is to help clients define and achieve superior financial outcomes through differentiated insights, disciplined investments, and world-class service. We will do this by protecting and growing our core business, amplifying our strengths and diversifying where we have the right.

Our Values are key to driving our success, and are at the heart of everything we do:

  • Clients Come First - Always
  • Execution Supersedes Intention
  • Together We Win
  • Diversity Improves Results
  • Truth Builds Trust

If our mission, values, and purpose align with your own, we would love to hear from you!

Your opportunity:

  • Design and operate Cisco ACI infrastructure
  • Automate network tasks and processes using Python, Ansible, and Terraform
  • Design, implement and maintain the company's network infrastructure, including Cisco IOS-XE routers and switches, Cisco Nexus datacenter switches, and Cisco 9800 Wireless LAN Controllers
  • Configure and manage Palo Alto firewalls, including Panorama, and ensure that security policies are up to date and aligned with industry and internal standards
  • Implement and manage network access control using Cisco ISE for 802.1x and TACACS
  • Manage F5 Big-IP load balancers to ensure high availability and performance of critical applications
  • Maintain and troubleshoot BGP and OSPF routing protocols and participate in the design and implementation of routing and switching solutions
  • Monitor the network using SolarWinds network monitoring solutions and take proactive measures to prevent network outages and performance issues
  • Manage Wi-Fi in a large office environment and ensure that wireless network performance meets business requirements
  • Configure and manage WAN Technologies such as Cisco WAAS & VWAAS and SD-WAN Solutions
  • Implement and manage cloud networking concepts in Microsoft Azure, including virtual networks, subnets, security groups, and ExpressRoute connections
  • Work in a global, enterprise-class, mission-critical, 7x24x365 network/telecommunication environment
  • Mentor junior network engineers and contribute to knowledge sharing within the team
  • Work occasional weekends and participate in the on-call rotation

What to expect when you join our firm:

  • Hybrid working and reasonable accommodations
  • Generous Holiday policies
  • Paid volunteer time to step away from your desk and into the community
  • Support to grow through professional development courses, tuition/qualification reimbursement and more
  • Maternal/paternal leave benefits and family services
  • Complimentary subscription to Headspace – the mindfulness app
  • Corporate membership to ClassPass and other health and well-being benefits
  • All employee events including networking opportunities and social activities
  • Lunch allowance for use within our subsidized onsite canteen

Must have skills:

  • CCNP certification or equivalent experience
  • Strong experience with Cisco networking technologies, including Cisco IOS-XE routers and switches, Cisco Nexus datacenter switches, and Cisco 9800 Wireless LAN Controllers
  • Expertise in Palo Alto firewalls, including Panorama, and network access control using Cisco ISE for 802.1x and TACACS
  • Good understanding of F5 Big-IP load balancers, BGP and OSPF routing protocols, and SolarWinds network monitoring solutions
  • Knowledge of cloud networking concepts in Microsoft Azure and virtualized datacentre environments
  • Strong automation and scripting skills using Python, Ansible, and Terraform
  • Excellent communication and interpersonal skills, with the ability to work collaboratively with other IT teams, vendors, and business stakeholders

You will be expected to understand the regulatory obligations of the firm, and abide by the regulated entity requirements and JHI policies applicable for your role. At Janus Henderson Investors we’re committed to an inclusive and supportive environment. We believe diversity improves results and we welcome applications from all backgrounds. Don’t worry if you don’t think you tick every box, we still want to hear from you! We understand everyone has different commitments and while we can’t accommodate every flexible working request we’re happy to be asked about work flexibility and our hybrid working environment. If you need any reasonable accommodations during our recruitment process, please get in touch and let us know at recruiter@janushenderson.com.

Janus Henderson (including its subsidiaries) will not maintain existing or sponsor new industry registrations or licenses where not supported by an employee’s job functions (as determined by Janus Henderson at its sole discretion). All applicants must be willing to comply with the provisions of Janus Henderson Investment Advisory Code of Ethics related to personal securities activities and other disclosure and certification requirements, including past political contributions and political activities. Applicants’ past political contributions or activity may impact applicants’ eligibility for this position. Janus Henderson is an equal opportunity / Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, colour, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. All applications are subject to background checks.

Senior Network Engineer employer: Janus Henderson Investors U.S.

At Janus Henderson, we pride ourselves on fostering a collaborative and inclusive work culture that prioritises employee growth and well-being. With generous holiday policies, professional development support, and a commitment to diversity, we empower our team members to thrive in their careers while contributing to meaningful financial outcomes for our clients. Our hybrid working model and community engagement initiatives further enhance the rewarding experience of being part of our dynamic team in a global enterprise environment.
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Contact Detail:

Janus Henderson Investors U.S. Recruiting Team

recruiter@janushenderson.com

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Network Engineer

✨Tip Number 1

Familiarise yourself with Janus Henderson's mission and values. When you understand what drives the company, you can tailor your conversations to show how your personal values align with theirs, making you a more attractive candidate.

✨Tip Number 2

Network with current or former employees of Janus Henderson on platforms like LinkedIn. Engaging in conversations about their experiences can provide you with valuable insights and potentially lead to referrals.

✨Tip Number 3

Stay updated on the latest trends and technologies in network engineering, especially those related to Cisco, Palo Alto, and cloud networking. Being knowledgeable about current industry standards will help you stand out during interviews.

✨Tip Number 4

Prepare to discuss your experience with automation tools like Python, Ansible, and Terraform. Be ready to share specific examples of how you've used these tools to improve network efficiency, as this is a key requirement for the role.

We think you need these skills to ace Senior Network Engineer

CCNP certification or equivalent experience
Strong experience with Cisco networking technologies
Expertise in Palo Alto firewalls and Panorama
Knowledge of network access control using Cisco ISE for 802.1x and TACACS
Good understanding of F5 Big-IP load balancers
Proficiency in BGP and OSPF routing protocols
Experience with SolarWinds network monitoring solutions
Knowledge of cloud networking concepts in Microsoft Azure
Strong automation and scripting skills using Python, Ansible, and Terraform
Excellent communication and interpersonal skills
Ability to work collaboratively with IT teams, vendors, and business stakeholders
Experience in managing and troubleshooting network infrastructure

Some tips for your application 🫡

Understand the Job Requirements: Carefully read through the job description for the Senior Network Engineer position at Janus Henderson. Make sure you understand the key responsibilities and required skills, such as experience with Cisco technologies and automation tools like Python and Ansible.

Tailor Your CV: Customise your CV to highlight relevant experience and skills that align with the job requirements. Emphasise your expertise in Cisco networking, Palo Alto firewalls, and cloud networking concepts, ensuring these are prominent in your application.

Craft a Compelling Cover Letter: Write a cover letter that reflects your understanding of Janus Henderson's mission and values. Explain how your background and skills make you a great fit for the role and how you can contribute to their goals.

Showcase Your Soft Skills: In your application, don't forget to mention your communication and interpersonal skills. Highlight any experience working collaboratively with teams or mentoring others, as these qualities are valued by Janus Henderson.

How to prepare for a job interview at Janus Henderson Investors U.S.

✨Showcase Your Technical Skills

Be prepared to discuss your experience with Cisco networking technologies, including IOS-XE routers and switches. Highlight specific projects where you've designed or maintained network infrastructure, and be ready to answer technical questions related to Palo Alto firewalls and F5 Big-IP load balancers.

✨Demonstrate Automation Proficiency

Since automation is key for this role, make sure to share examples of how you've used Python, Ansible, or Terraform to automate network tasks. Discuss any challenges you faced and how you overcame them to improve efficiency.

✨Align with Company Values

Janus Henderson places a strong emphasis on their values. Familiarise yourself with their mission and values, and be ready to explain how your personal values align with theirs. This will show that you're not just a fit for the role, but also for the company culture.

✨Prepare for Scenario-Based Questions

Expect scenario-based questions that assess your problem-solving skills in a network environment. Think about past experiences where you had to troubleshoot issues or implement solutions under pressure, and be ready to articulate your thought process clearly.

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