
Network Security Engineer -Juniper,Cisco Proxy (Onsite)
On site
Waterside, United Kingdom
Freelance
13-03-2025
Job Specifications
L3 Network Engineer – Security Proxy, Juniper, Cisco
Location: London Heathrow Waterside ( 5 days Onsite)
12 Months Contract with extension
Experience: 6-10+ years
Job Responsibilities:
Provide L3-level support, troubleshooting, and resolution for complex network issues.
Design, implement, and optimize network security solutions using security proxies, Juniper, and Cisco.
Lead incident resolution and problem management efforts, coordinating with vendors as needed.
Configure and maintain firewalls, security appliances, and access control policies.
Develop and execute network automation strategies for efficiency and scalability.
Collaborate with architects and project teams on network upgrades and expansions.
Conduct performance tuning and capacity planning for network infrastructure.
Mentor and provide technical guidance to L2 engineers.
Technical Skills:
Security Proxy: Blue Coat, Zscaler, or equivalent, deep understanding of SSL decryption and policy enforcement.
Juniper: Advanced routing (BGP, OSPF, ISIS), firewall rules, security policies, IDS/IPS.
Cisco: Enterprise switching (Nexus, Catalyst), routers, ASA/FTD firewalls, SD-WAN.
Automation & Scripting: Python, Ansible, Terraform (preferred).
Cloud Networking: Azure, AWS, or GCP networking and security concepts.
Load Balancing: F5, Citrix NetScaler (preferred).
SIEM & Security Tools: Splunk, Palo Alto Cortex, or similar.
Soft Skills:
Strong leadership and mentorship capabilities.
Excellent documentation and presentation skills.
Ability to work independently and handle high-priority incidents.
About the Company
Lakarya is a professionally managed Technical Consulting Company focusing on highly skilled information technology consultants, headquartered in Sterling, VA. We provide highly trained and experienced staff in specific technologies to Fortune 500 firms. Our ability to recruit and provide candidates across the countries gives us a distinct competitive advantage. Our primary goal is to provide every client with a qualified, dedicated and skilled manpower who fits the company's environment and exceeds expectations working with... Know more
Related Jobs


- Company Name
- Grant Thornton UK
- Job Title
- Agile Talent - Cyber Security - Independent Consultant - Saudi Arabia Secondment
- Job Description
- Location: England Working Pattern: Hybrid Working, 2-3 Days on-site working Engagement Route: Personal Service Company / Limited Company (IR35 Status to be Determined on an Assignment Basis) Day Rate: £300 - £650 per day More than you expected Grant Thornton UK LLP is part of a global network of independent audit, tax and advisory firms, made up of some 58,000 people in over 135 countries. We're a team of independent thinkers who put quality, inclusion and integrity first. All around the world we bring a different experience to our clients. A better experience. One that delivers the expertise they need in a way that goes beyond. Personal, proactive, and agile. That's Grant Thornton. What is the Agile Talent Community? The Agile Talent Community is a network of contract professionals given the opportunity to work with our clients on a project-by-project basis and provided with strong support and development opportunities offered by Grant Thornton. You’ll get the freedom and advice to work in a way that suits you, that is compliant, and be able to choose the projects you take on, allowing you the independence to manage your time more effectively. The Agile Talent Community will reflect the same values that sit at the heart of Grant Thornton: a commitment to diversity and inclusion, a client centric, quality driven ethos and a fundamental care for our people and doing what’s right, ahead of what’s easy. About The Role Grant Thornton's Technology Risk Services team (TRS) provides the advice necessary to help clients manage risk associated with their use of technology. Our professionals can deliver objective, value-added solutions that will enable clients to strengthen internal controls and governance processes, implement sound organisational strategies, increase technological capabilities and improve their operational efficiency. TRS is part of Grant Thornton's Business Risk Services (‘BRS’) department, who provide internal audit and risk advisory services to the FTSE 250, large and complex Corporates, international and major charities and not-for-profit organisations, and central government departments. This role in based in Saudi Arabia, and is for a secondment to a very well-respected client. Being on-site is a necessity, with Accommodation, Flights and Visas being provided by Grant Thornton. Knowing you’re right for us As a contractor you will be expected to 'hit the ground running' allowing Grant Thornton or a Client to continue 'Business as Usual'. It would be great if you had some of the following skills, but don’t worry if you don’t tick every box, we’ll help you develop along the way. Open to working in Saudi Arabia Cyber Project Delivery Experience Operational Technology Experience Cyber Audit Experience Internal Audit Experience Sector Experience: Utilities / Construction / Oil & Gas Relevant professional qualification and membership. Why choose Grant Thornton Agile Talent: Work on a exciting projects in the UK and Internationally Solve complex technical matters for our clients, and project manage client work Build and maintain strong working relationship with your team and our clients Constantly strive to push yourself, and the business, further, knowing you’re supported through every stage Do you care about the same things we do? We have six values we work by. When we meet, we’ll want you to show us how they’re important to you, too. Collaboration: We are aligned around a common purpose that unites us in providing the same quality experience for our clients and our people, seamlessly across borders. Leadership: We are committed to the success of our clients, our people, our profession, and our stakeholders at large, demonstrating leadership at all levels. Excellence: We are passionate about exceeding expectation and delivering high quality work. We love what we do, and it shows. We sweat the details. We see things through, no matter how tricky. Agility: The world moves quickly. To keep up, we stay flexible – changing approaches, changing projects, working offline, online, together and alone to get things done. Respect: A given, of course: we value each other and our clients. We listen, we understand, we care. Responsibility: The decisions we make and advice we give affects people’s lives and livelihoods. We take that seriously and always do well by doing what’s right.


- Company Name
- Russell Tobin
- Job Title
- Network Deployment Engineer
- Job Description
- Job Title: Network Deployment Engineer Location: UK (Remote) Employment Type: Contract Reports To: Hilton Managers Job Summary: We are seeking a motivated and experienced Network Deployment Engineer to support Hilton’s network operations. The ideal candidate will have hands-on experience in LAN networking, HP switching, and basic Cisco networking. Familiarity with Meraki solutions and a background in vulnerability tracking using tools like Splunk and CrowdStrike is highly desirable. Key Responsibilities: Support and manage LAN networking operations for Hilton. Assist in the transition from HP switches to Meraki solutions. Perform vulnerability tracking and remediation based on data from Splunk and CrowdStrike. Collaborate with Hilton Managers to ensure seamless deployment and management of network systems. Provide technical support and troubleshooting for network-related issues. Document network configurations, changes, and updates. Participate in initial training sessions and occasional site visits as needed. Required Qualifications: Minimum 2 years of experience in LAN networking. Proficiency in HP switching and basic Cisco networking. Strong understanding of fundamental networking principles and protocols. Experience with network monitoring and vulnerability tracking tools such as Splunk and CrowdStrike. Excellent problem-solving and analytical skills. Strong written and verbal communication skills. Preferred Qualifications: Experience with Meraki solutions is a plus but not mandatory. Relevant certifications (e.g., CCNA, Meraki, or equivalent) are an advantage. Work Conditions: Monday to Friday, normal working hours. Minimal travel required, with potential for initial training and occasional site visits.


- Company Name
- Contechs
- Job Title
- Cyber Security Architect
- Job Description
- Cyber Security Architect 12-month initial contract (until end of March '26) Hybrid working - Manchester £40 per hour (Inside IR35) *Applicants MUST have proof of immediate, on-going and valid eligibility to work full time in the UK and travel within the EU.* About the company I am currently recruiting on behalf of a Luxury Automotive OEM, based in Manchester, who are seeking a Cyber Security Architect to join their team Qualifications / Skills needed Threat modelling techniques Risk assessment methodologies Security frameworks Background in software engineering/architecture Good knowledge of DevSecOps Agile frameworks Why work through Contechs? Contechs is a leading Automotive, Design, Engineering, Technology and Innovation Recruitment Consultancy. Founded in 1997, with an inhouse Contractor Care Team to support all external employees, acts as an employment agency for permanent and contract recruitment. How to Apply If you're interested in applying for this position, submit your application and one of our recruiters will be in touch. If you know anyone that is suitable for the role, please visit the below page where we offer up to £600 referral fee: https://www.contechs.com/refer


- Company Name
- Experis IT
- Job Title
- Cyber Security Engineer - Urgent
- Job Description
- Hybrid Working, Cyber Security Engineer, Azure, Entra, Intune, Defender, MFA, Security Monitoring My leading client has an immediate requirement for a Cyber Security Technical Engineer / Specialist to assist in a range internal projects. This is a really hands on role where you will be working through a range of delivery priorities, which include, Ensuring Entra, InTune and Defender are configured with appropriate security controls and integrated effectively. There is project work around MFA’s to ensure controls defined across the Azure Estate. Also you will be working on the effective monitoring and reporting for alerts and incidents from Azure suite, and ensuring the feeds are appropriately ingested into Azure and reported on, if this sounds of interest please send me your cv for review.