AlgoSec Network Security Engineer - Contract

Reference: 0903net_1787769172

Network Security Engineer (AlgoSec)

We are seeking an experienced Network Security Engineer with strong AlgoSec and enterprise firewall experience to join a growing security team.

This is a hands-on role focused on firewall policy management, security governance, automation and compliance across complex multi-vendor environments.

Key Responsibilities

  • Administer and support AlgoSec Security Management Suite.
  • Manage firewall policy reviews, optimisation, risk analysis.
  • Support FireFlow, Firewall Analyser, ObjectFlow and AppViz.
  • Analyse application connectivity and network traffic flows.
  • Manage firewall changes, exceptions and security incidents.
  • Automate security processes using scripting and REST APIs.
  • Support security governance, audit and compliance activities.
  • Work with infrastructure, security and engineering stakeholders.

Required Experience

  • Strong hands-on AlgoSec experience.
  • Extensive enterprise firewall experience with Palo Alto, Fortinet, Cisco ASA/Firepower and/or Check Point.
  • Strong knowledge of firewall administration, NAT, VPN, segmentation and IDS/IPS.
  • Experience with security governance, compliance and ITIL processes.
  • Strong scripting skills in Python, PowerShell and/or Bash.
  • Experience with REST APIs and automation tools such as Ansible or Terraform.

Please send across an updated CV if this position is of interest

GCS is acting as an Employment Business in relation to this vacancy.

COMPETITIVE SALARY
Added 26/08/2026
Reference: 0903net_1787769172

AlgoSec Network Security Engineer - Contract

London, England, United Kingdom Contract IT Support & Infrastructure

Other similar jobs

Contract Administrator/ Contract Admin (Entertainment or media)

Added 06/05/2026

Key Responsibilities:Inputting license agreement information and amendments onto the worldwide database.Ensuring license deal requests are accurate and complete.Obtaining and chasing approvals for license deal requests from relevant in-house staff and third parties.Performing conflict checks in database for license deal requests.Typing, sending and chasing the signature of standard license agreements.Drafting and typing amendments to license agreementSupplying database information to colleagues and agents in the EMEA region and dealing with their routine contractual queries.Following up with colleagues and agents in the EMEA region on the progress of completion of license agreements and amendments.Working closely with fellow Contracts Administrators on prioritizing and distributing...

Learn more

Cloud Security Engineer - Contract

Added 03/06/2026

Cloud Security EngineerWe are looking for a Cloud Security Engineer to support the security of our clients cloud platforms and modern infrastructure environments. This role will work closely with technology and engineering teams to help identify, assess, and mitigate security risks while promoting security best practices across cloud-native and containerised environments.The successful candidate will bring a strong foundation in information security, a collaborative mindset, and a passion for continuous learning in cloud and infrastructure security. Key ResponsibilitiesSupport the implementation and maintenance of security controls across cloud environments.Collaborate with engineering and operational teams to enhance the security of cloud-based services and...

Learn more

AWS Security Architect - Contract

Added 17/07/2026

WS Security Architect - ContractWe are seeking an experienced AWS Security Architect to lead the design and implementation of security controls across our AWS estate. This role will be responsible for establishing secure architecture standards, driving security best practices, and ensuring AWS services are deployed in a scalable, compliant, and resilient manner.Working closely with Cloud Engineering, Platform, DevOps, and Cyber Security teams, you will provide both strategic direction and hands-on technical guidance to ensure security is embedded throughout the lifecycle of our AWS platforms and applications.This is a delivery-focused role that combines architecture, engineering, and governance, enabling teams to adopt...

Learn more

AWS Security Architect - Contract

Added 08/07/2026

AWS Security Architect - ContractWe are seeking an experienced AWS Security Architect to lead the design and implementation of security controls across our AWS estate. This role will be responsible for establishing secure architecture standards, driving security best practices, and ensuring AWS services are deployed in a scalable, compliant, and resilient manner.Working closely with Cloud Engineering, Platform, DevOps, and Cyber Security teams, you will provide both strategic direction and hands-on technical guidance to ensure security is embedded throughout the lifecycle of our AWS platforms and applications.This is a delivery-focused role that combines architecture, engineering, and governance, enabling teams to adopt...

Learn more

Security & Awareness Manager (Contract)

Added 25/06/2026

Security & Awareness Manager (Contract)Location: London (hybrid)Duration: 6 monthsEngagement: Inside IR35OverviewAn experienced Security & Awareness Manager is required to lead the development and execution of a security awareness and culture programme across a complex enterprise environment. This role will play a critical part in strengthening the organisation's human risk posture and embedding secure behaviours.Key Responsibilities* Design, implement and continuously improve a security awareness strategy and roadmap aligned to organisational risk and regulatory requirements* Deliver engaging security awareness campaigns, including phishing simulations, training programmes, and targeted interventions* Collaborate with security, risk, HR and communications teams to embed security-first behaviours across the...

Learn more

Network Security Engineer

Added 12/05/2026

Network Security EngineerContractLocation: Remote / Hybrid (Amsterdam)Contract Length: 6-12 months Start Date: ASAP Rate: CompetitiveAbout the RoleOur client, a leading gaming company, is seeking an experienced Network Security Engineer Contractor to support a large-scale merger and acquisition integration. The organisation has recently acquired a studio with a significantly different technology estate, and now requires a specialist to help consolidate, secure, and stabilise the combined network infrastructure.This role is critical in ensuring the security, interoperability, and reliability of both legacy and acquired networks during the integration phase.Key ResponsibilitiesNetwork Security Integration & HardeningAssess, analyse, and map the acquired company's network and security...

Learn more

Network Security Engineer

Added 12/05/2026

Network Security Engineer gezocht - Utrecht12 maanden contract (Detachering)€65.000 - €70.000Hybride - 2 dagen p/w op kantoor28 vakantiedagen7 officiële feestdagen (Bevrijdingsdag jaarlijks van toepassing)8% vakantiegeld8,33% eindejaarsuitkeringPensioencompensatieWat je gaat doen:Uitvoeren van changes op firewalls, routers, switches en infrastructuurapparatuurAfhandelen van incidenten en uitvoeren van diepgaande onderzoekenToezicht houden op installaties (remote of onsite)Opstellen van HLD's/LLD's + scherp implementatieadvies leverenOntwerpen, configureren & implementeren van routing/switching, firewalls, load balancers, proxies, telefonieBeheren van CMDB-updates, IPAM, netwerkdiagrammen en instructiesOntwikkelen van scripts + het aanjagen van netwerkautomatiseringBeheren van monitoringsystemen, compliance, capaciteit & changesWat jij meebrengt:10+ jaar ervaring met Check Point & Cisco5+ jaar ervaring als Security Specialist binnen...

Learn more

Network Security Consultant

Added 27/05/2026

Senior Network Security Consultant (DORA Programme) - ContractLocation: Fully Remote (Europe)Preferred Location: PolandContract Duration: 12 months initial (strong likelihood of extension)Start Date: ASAP OverviewWe are supporting a major European financial services organisation on a large-scale DORA compliance programme and are looking to onboard multiple Senior Network Security Consultants on a contract basis.This is a high-impact engagement focused on delivering third-party infrastructure and security assessments at scale. You will join an established Cloud & Network Security function, contributing to critical regulatory compliance activities. The RoleAs a Senior Consultant, you will operate at a strategic and advisory level, focusing on assessment, architecture...

Learn more

Senior .NET Azure Engineer -Policy-as-Code Platform- Contract

Added 19/08/2026

Senior .NET Azure EngineerPolicy-as-Code PlatformContractMy client, a leading technology organisation is seeking a Senior .NET Azure Engineer to join a specialist team building a next-generation Policy-as-Code and software delivery governance platform.This is an opportunity to work on a highly strategic engineering initiative focused on automating compliance, governance and deployment controls across large-scale cloud environments. You'll be building the services that connect software engineering workflows with automated policy decisions, helping ensure that releases are secure, audit-able and compliant by design.The RoleYou'll design and develop cloud-native services that integrate with enterprise development platforms and automated governance systems. Working in an API-first, event-driven...

Learn more

AWS Cloud Engineer - 6M Contract

Added 17/08/2026

Cloud Engineer - Fully Remote | 6-Month Contract An exciting opportunity is available for a Cloud Engineer to join a high-performing Platform Engineering team on a 6-month contract basis.This is a hands-on role focused on building and improving cloud infrastructure through Infrastructure as Code, automation, CI/CD and DevOps practices. You'll work closely with cloud and platform engineering teams to deliver secure, scalable and reusable cloud services that support application and development teams across the organisation.Key ResponsibilitiesBuild and maintain cloud infrastructure using IaC tools such as Terraform, CloudFormation or Bicep.Develop and maintain CI/CD pipelines to automate infrastructure and application deployments.Automate cloud...

Learn more

DevSecOps Engineer - Contract

Added 07/08/2026

DevSecOps Engineer (Azure)Contract: 6 Months Location: Hybrid/Remote OverviewWe are seeking an experienced DevSecOps Engineer to join a high-performing technology team on an initial 6-month contract. The successful candidate will play a key role in embedding security throughout the software development lifecycle while enhancing Azure cloud infrastructure, CI/CD pipelines, and automation capabilities.This is an excellent opportunity for a hands-on DevSecOps professional with strong Azure expertise and a passion for security, automation, and modern cloud-native practices.Key ResponsibilitiesBuild and maintain secure Azure infrastructure using Infrastructure as Code (Terraform/Bicep).Develop and optimise CI/CD pipelines within Azure DevOps.Embed security controls, vulnerability scanning, and compliance checks into...

Learn more

DevSecOps Engineer - Contract

Added 23/07/2026

DevSecOps Engineer (12-Month Contract)About the RoleWe are seeking an experienced DevSecOps Engineer to join a growing technology team on an initial 12-month contract. This role offers the opportunity to work on modern cloud platforms, helping to build, secure and optimise infrastructure while embedding security throughout the software development lifecycle.You'll collaborate with cross-functional engineering, security and operations teams to deliver scalable, resilient and secure solutions in a fast-paced environment.Key ResponsibilitiesDesign, implement and maintain secure cloud infrastructure and deployment pipelines.Integrate security best practices throughout the software development lifecycle.Develop and improve Infrastructure as Code (IaC) solutions.Support CI/CD pipeline development, automation and optimisation.Collaborate with...

Learn more

DevSecOps Engineer - Contract

Added 16/07/2026

Senior DevSecOps Engineer Contract | Dublin City Centre (Hybrid - 2 Days Onsite Per Week)OverviewI'm looking to speak with Senior DevOps & Cloud Security Engineers to join a high-performing technology team delivering secure, scalable, and cloud-native solutions within a complex enterprise environment.This role offers the opportunity to work across cloud infrastructure, platform engineering, automation, security, and reliability initiatives. The successful candidate will play a key role in designing, implementing, and supporting modern cloud platforms while driving best practices across DevOps, Security, and Site Reliability Engineering disciplines.Key ResponsibilitiesDesign, deploy, secure, and support cloud-native platforms and applications within AWS environments.Build and manage...

Learn more

Data Integration Engineer (Contract)

Added 07/05/2026

DATA INTEGRATION ENGINEER (BANKING) - CONTRACTLondon | Hybrid (5 days in 10 on-site) 6 Months | Inside IR35£700 Per Day | Umbrella THE PROJECTA global banking organisation is expanding its data integration capability and needs a technically strong contractor who can manage complex data environments, support regulatory reporting, and build scalable integration solutions across critical platforms. If you enjoy solving data challenges, improving data quality, and working across enterprise systems-this role is for you.Design, build, and support enterprise-grade data integration and transformation solutions.Work across SQL Server and Oracle environments to manage large-scale data processing.Develop and maintain ETL pipelines, data marts,...

Learn more

Business Analyst - Outside ir35 Contract Role

Added 07/08/2026

Business Analyst (Power BI & Reporting) - Outside IR35 (Energy/Utilities Industry experience needed) Start Date: ASAP Working Pattern: Hybrid - 2 days per week on-site in the Surrey AreaThe OpportunityMy client who are well known in the Energy Industry are looking for an experienced Business Analyst to join on an initial 3 month contract.You will work closely with stakeholders to understand business needs and convert them into well-defined requirements for dashboards and reports.Key ResponsibilitiesGather, analyse and document reporting requirements from business stakeholders.Translate a high volume of reporting requests into clear, structured requirements for developers.Work closely with business users to understand...

Learn more
At least 8 characters, 1 uppercase, 1 lowercase and 1 special character or number
Your file must be a doc, docx or pdf. No larger than 5MB.