At a Glance
- Tasks: Lead the design and maintenance of cutting-edge network security systems.
- Company: Join a forward-thinking tech company focused on innovation and security.
- Benefits: Attractive salary, health perks, flexible working, and growth opportunities.
- Other info: Dynamic role with excellent career progression and a collaborative team environment.
- Why this job: Make a real difference in network security while working with top-tier technology.
- Qualifications: Degree in IT or related field, plus relevant certifications.
The predicted salary is between 51750 - 63250 £ per year.
The Senior Network Security Engineer is responsible for supporting the design, configuration, monitoring and maintenance of network security hardware, systems, and software; including preparing any documentation for future reference and ensuring communication regarding network security and other issues is provided timely.
- Accountabilities
- Be the lead technical role in resolving complex service incidents, applying diagnosis, maintenance, change and configuration control attributes to bring about a resolution.
- Consistently perform and deliver outputs within the service contract time constraints (KPI’s & OLAs/SLA’s).
- Apply technical governance to inbound deliveries from the project design phase to ensure they accurately reflect the live environment and are appropriately structured to enable successful technical service delivery.
- Develop and implement detailed logical designs in areas of – Firewalls, Load balancers, Layer 3 VPN, Layer 2 VPN.
- Analyse traffic behaviours, identify and resolve any congestion or traffic issues related to network security hardware or protocols.
- Develop secure network designs, maximizing the usage of equipment such as routers and switches.
- Monitor network performance to determine whether adjustments need to be made, and to determine where changes will need to be made in the future.
- Work with internal and external stakeholders to fill information gaps and communicate architecture and technical solutions.
- Establish procedures and best practices for network security operations.
- Key Stakeholders
External
- Strategic and operational third-party partners
Internal
- Network Product Manager
- Network Support Manager
- Capacity, Release & Deployment Manager
- Network Services Manager
- Network Operations Centre Engineers
- Governance and Reporting Manager
- People Specification
Qualifications
Educated to degree level or equivalent experience.
- Bachelor’s degree in computer science, Information Technology, or a related field.
Relevant industry certifications such as
- CISSP (Certified Information Systems Security Professional)
CCNP (Cisco Certified Network Professional) Security certification, or equivalent knowledge and experience.
- Check Point Certified Security Administrator (CCSA)
- F5 Certified Technical Specialist (BIG-IP)
Skills
- Strong technical competence in Networking security
- Maintaining and updating firewalls and testing the organization’s network and systems
- essential
- Knowledge and experience installing and supporting Checkpoint and F5 Appliances, and Cisco ISE - desirable
- Implementing network security blueprints prepared by security architects
- essential
- Strong skills in interpreting, producing, and tracking technical documentation.
- Strong communications skills within a department to provide confidence and direction to level 2 colleagues.
- Ability to communicate effectively verbally and written with stakeholders at all levels, from end users to project managers, etc. and provide information which will support and influence the decision-making process within the Network Service Management.
- Ability to plan, prepare, and organize large scale implementations and project deliveries.
- Strong problem-solving skills. Able to identify and resolve problems timely, gather and analyze information effectively, and develop alternative solutions where appropriate.
- Strong interpersonal skills. Maintain confidentiality and listen to others.
Experience
- 5+ years’ experience required in a similar role.
- Experience in designing, deploying, and maintaining MPLS, VPN and VRF network cores.
- Functional understanding of Layer 2 functions and switching (VLAN, VXLAN, STP, MAC Filtering, etc.).
- Experience with Vo IP.
- Experience with Cisco, Juniper and Palo Alto preferred.
- Knowledge of industry standard network systems designs and implementation.
- Knowledge of security and communications networks; and knowledge of technical and user-related aspects of a personal computer environment preferred.
- Experience with the following preferred: DNS, DHCPv4, DHCPv6, or IPAM/DDI.
- Scope of the role
- Reporting to
- Network Product Manager
- Location
- Based in UK, ideally within travelling distance of Heathrow
- #J-18808-Ljbffr
Senior Network Security Engineer in London employer: SISL Global
At Barclays, we pride ourselves on being an exceptional employer, offering a dynamic work culture that fosters collaboration and innovation. As a Senior Network Engineer, you'll benefit from extensive professional development opportunities while working in a fast-paced environment that values integrity, service, and excellence. Our commitment to employee growth, coupled with our focus on cutting-edge technology in a regulated financial sector, makes Barclays a rewarding place to advance your career.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Network Security Engineer in London
✨Get Involved in the Cybersecurity Community
Diving into the cybersecurity community is key for landing that full-time gig. Join forums like Reddit's r/cybersecurity or attend local meetups to connect with industry veterans and other job seekers. Networking is everything in this field—don’t just be a passive lurker!
✨Show Off Your Skills with Capture the Flag Competitions
Participate in Capture the Flag (CTF) competitions; these are not just a fun way to boost your skills but also a chance to showcase your talent to potential employers. Many companies, including SISL Global, love seeing candidates who actively engage in these challenges.
✨Tailor Your Online Presence
Make sure your LinkedIn and any professional profiles reflect your cybersecurity expertise. Share your projects, whether they’re personal or from a previous role, to catch the eye of hiring managers. This is how they’ll find your passion and commitment to the field!
✨Apply Directly Through SISL Global
Don’t forget to head straight to our website and check out any openings for cybersecurity roles at SISL Global. Applying directly can sometimes give you an edge, especially if you can mention that you've been following our work or engaging in the community.
We think you need these skills to ace Senior Network Security Engineer in London
Some tips for your application 🫡
Show off your technical skills:In cybersecurity, it's crucial to highlight your technical prowess. Make sure your CV showcases specific skills like network security, penetration testing, or threat analysis. If you have relevant certifications (like CEH or CISSP), pop those on the front page to grab attention!
Tailor your portfolio for the role:Even for a full-time role, a portfolio can set you apart. If you've worked on any cybersecurity projects—be it CTF challenges, security assessments, or research papers—include these in your application. This demonstrates not just your skills, but also your hands-on experience!
Use real-world examples:When writing your cover letter, don’t just stick to your qualifications. Share real-world examples of how you’ve tackled security issues or vulnerabilities. This gives the hiring team at SISL Global insight into your practical problem-solving abilities and makes your application memorable.
Demonstrate your passion for cybersecurity:Cybersecurity is an ever-evolving field, so show us that you’re always learning! Mention any recent courses, webinars, or industry events you’ve attended. This not only exhibits your enthusiasm but also signals to SISL Global that you’re committed to staying ahead in the game.
How to prepare for a job interview at SISL Global
✨Sharpen Your Technical Skills
For a role in cybersecurity, it’s essential to be up-to-date with the latest tools and techniques. Brush up on your knowledge of firewalls, intrusion detection systems, and vulnerability assessment tools. Be ready to discuss specific scenarios where you’ve applied these skills, as hands-on experience can really set us apart in interviews.
✨Prepare for Scenario-Based Questions
Expect the interviewers at SISL Global to throw in some hypothetical situations to see how you’d handle them. Think about common security breaches or incidents and be prepared to explain how you would respond. This not only shows your problem-solving skills but also your understanding of real-world cybersecurity challenges.
✨Highlight Your Certifications
Certifications like CompTIA Security+, CISSP, or CEH can give you a significant edge in a full-time role in cybersecurity. Make sure to mention these during your interview and be prepared to discuss what you learned through those certifications and how they relate to the position at SISL Global.
✨Show Your Passion for Cybersecurity
Since you’re going for a full-time gig, showing genuine enthusiasm for the field can make all the difference. Share any personal projects, blogs, or communities you’re part of that relate to cybersecurity. This not only showcases your passion but also your commitment to staying engaged in this ever-evolving field.
