At a Glance
- Tasks: Design and maintain secure enterprise network infrastructure for government platforms.
- Company: Join a leading tech firm focused on secure government services.
- Benefits: Competitive daily rate, onsite work, and opportunities for professional growth.
- Other info: Dynamic role with potential for career advancement in a collaborative team.
- Why this job: Make a real impact in a secure environment while tackling complex technical challenges.
- Qualifications: Experience in secure networks, Cisco technologies, and network security operations.
Location: Milton Keynes
Duration: 6-Months
Rate: £540 per day (Inside IR35)
Clearance: Active DV Clearance Required
Working Pattern: Onsite 5 days per week
Overview
We are seeking an experienced Senior Network Engineer to support a range of highly secure Government platforms and services within a complex enterprise environment. The successful candidate will join a wider team of skilled technical specialists, providing both BAU support and project delivery across critical infrastructure and network technologies.
This role requires strong experience working within secure and air-gapped environments, with responsibility for the design, implementation, administration, and support of enterprise network and infrastructure solutions. The position will also act as an escalation point for complex technical issues and contribute to ongoing modernization and security improvement initiatives.
As the Senior Network Engineer you will be responsible for designing, implementing, securing, and maintaining enterprise network infrastructure with a focus on high availability, performance, and resilience. This role provides advanced technical leadership across routing, switching, firewall administration, and network security operations. You will serve as an escalation point for complex issues involving Cisco switching platforms, Cisco Firepower Threat Defense (FTD), and Palo Alto Networks Next-Generation Firewalls.
Key Responsibilities
- Design, implement, support, and maintain secure enterprise network infrastructure
- Deliver BAU operational support alongside project-based infrastructure changes
- Manage and optimise enterprise LAN/WAN environments
- Administer and support Cisco switching and routing technologies
- Configure and maintain network security technologies including Cisco Firepower/ASA and Palo Alto firewalls
- Support network security operations including IPS/IDS, VPNs, IPsec, SSL, and PKI technologies
- Troubleshoot complex network, connectivity, and security-related incidents
- Support network modernization, migration, and automation initiatives
- Ensure compliance with security standards, policies, and hardening guidelines
- Work collaboratively with cross-functional technical and security teams
- Support virtualised infrastructure and software-defined networking technologies
- Maintain network monitoring, alerting, and configuration management platforms
Required Skills & Experience
- Proven experience supporting and designing infrastructure within highly secure or air-gapped environments
- Strong experience with Cisco switching and routing technologies
- Hands-on expertise with Cisco Firepower/ASA firewall installation and administration
- Experience administering Palo Alto Firewalls and Panorama
- Strong understanding of network security technologies including IPsec, SSL VPNs, PKI, and IDS/IPS
- Experience with VMware virtual environments and virtual networking solutions
- Knowledge of NSX-T platforms
- Experience using network monitoring and configuration tools such as SolarWinds NCM, PRTG, and KIWI
- Experience supporting encryption devices including Catapan and Bulldog technologies
- Familiarity with Cisco collaboration technologies including CUCM, CSM, CMM, Expressways, VTC, and DeskPro devices
- Experience with copper and fibre optic patching
- Strong understanding of Windows infrastructure services including: Active Directory, DNS, DHCP, NPAS, Certificate Services
- Experience with Software Defined Access technologies including Dot1X and IBNS 2.0
Desirable Experience
- Knowledge of NIST hardening guidelines
- Understanding of ITIL processes and best practices
- Experience with ServiceNow
- Familiarity with BeCrypt OS
- Linux administration knowledge
- Experience with data diode technologies
The ideal candidate will be a proactive and technically strong infrastructure professional with experience operating in secure Government or defence environments. You will be comfortable working onsite full-time, handling complex technical challenges, and contributing to both operational support and strategic infrastructure initiatives.
Senior Network Engineer (DV Cleared) in High Wycombe employer: Certes IT Service Solutions
At Certes Computing, we pride ourselves on being an exceptional employer, particularly for our Senior Network Engineer role in Milton Keynes. Our commitment to fostering a collaborative work culture is complemented by competitive rates and opportunities for professional growth within secure government environments. Join us to be part of a skilled team dedicated to innovation and excellence in network infrastructure, while enjoying the benefits of working in a supportive and dynamic atmosphere.
Contact Detail:
Certes IT Service Solutions Recruiting Team
StudySmarter Expert Advice🤫
We think this is how you could land Senior Network Engineer (DV Cleared) in High Wycombe
✨Tip Number 1
Network, network, network! Get in touch with people in the industry, especially those who work in secure environments. Attend meetups or online webinars to connect with potential employers and fellow engineers. You never know who might have a lead on your dream job!
✨Tip Number 2
Show off your skills! Create a portfolio or a personal website showcasing your projects and achievements in network engineering. This is a great way to demonstrate your expertise and make a lasting impression on hiring managers.
✨Tip Number 3
Prepare for interviews like a pro! Research common interview questions for Senior Network Engineers and practice your responses. Be ready to discuss your experience with Cisco technologies and security protocols, as these will likely come up during the interview.
✨Tip Number 4
Don’t forget to apply through our website! We’ve got loads of opportunities that match your skills. Plus, applying directly can sometimes give you an edge over other candidates. So, get your application in and let’s land that job together!
We think you need these skills to ace Senior Network Engineer (DV Cleared) in High Wycombe
Some tips for your application 🫡
Tailor Your CV:Make sure your CV is tailored to highlight your experience with secure environments and the specific technologies mentioned in the job description. We want to see how your skills align with what we're looking for!
Showcase Relevant Experience:When writing your application, focus on showcasing your hands-on experience with Cisco and Palo Alto technologies. We love seeing real-world examples of how you've tackled complex network issues in the past.
Be Clear and Concise:Keep your application clear and to the point. Use bullet points where possible to make it easy for us to read through your qualifications and experiences quickly. We appreciate a well-structured application!
Apply Through Our Website:Don't forget to apply through our website! It’s the best way for us to receive your application and ensures you’re considered for the role. We can’t wait to hear from you!
How to prepare for a job interview at Certes IT Service Solutions
✨Know Your Tech Inside Out
Make sure you brush up on your knowledge of Cisco switching and routing technologies, as well as firewalls like Cisco Firepower and Palo Alto. Be ready to discuss specific projects where you've designed or implemented secure network infrastructures.
✨Showcase Your Problem-Solving Skills
Prepare to share examples of complex technical issues you've resolved in the past. Highlight your troubleshooting process and how you collaborated with cross-functional teams to achieve successful outcomes.
✨Understand Security Standards
Familiarise yourself with security standards and hardening guidelines relevant to the role. Be prepared to discuss how you've ensured compliance in previous positions, especially in secure or air-gapped environments.
✨Ask Insightful Questions
At the end of the interview, don’t hesitate to ask questions about the team dynamics, ongoing projects, or the company's approach to network modernization. This shows your genuine interest in the role and helps you gauge if it's the right fit for you.
