Senior Firewall Engineer

Thebes IT Solutions Ltd

Senior Firewall Engineer

Salary Not Specified

Thebes IT Solutions Ltd, City of Westminster

  • Full time
  • Temporary
  • Remote working

Posted today, 19 Sep | Get your application in now to be one of the first to apply.

Closing date: Closing date not specified

job Ref: 2759a0c0b2db49e29bbeafd2bf1c4ea1

Full Job Description

+ Replace end-of-life Fortinet 800C Firewalls with Juniper SRX 1600 Firewalls.
+ Ensure minimal downtime and disruption during the migration process.

  • Configuration and Implementation:

  • + Develop and implement configurations for SRX 1600 Firewalls.
    + Convert existing Fortinet configurations to SRX configurations accurately.
    + Conduct thorough testing and validation of new Firewall configurations.
  • Collaboration:

  • + Work closely with internal teams, including network engineers and application stakeholders, to coordinate migration activities.
    + Provide regular updates on progress and any issues encountered.
  • Technical Expertise:

  • + Utilize advanced knowledge of Fortinet, SRX, and Palo Alto Firewalls.
    + Apply strong networking skills to support the Firewall migration process.
    + Leverage familiarity with ACI to integrate new Firewalls into the existing network infrastructure.

  • Proven experience in Firewall migration projects, specifically involving Fortinet and Juniper SRX Firewalls.

  • Strong background in configuring and managing Fortinet and SRX Firewalls.

  • Proficiency in networking concepts and practices.

  • Ability to convert Firewall configurations manually without relying solely on automated tools.

  • Solid understanding of Palo Alto Firewall.

  • Familiarity with ACI is highly desirable.


  • Desirable Skills:
  • Excellent problem-solving skills and attention to detail.

  • Strong communication skills to effectively collaborate with remote teams.

  • Ability to work independently and manage time efficiently.

  • Palo Alto Networks Certified Cybersecurity Associate (PCCSA).

  • Palo Alto Networks Certified Network Security Administrator (PCNSA).

  • Palo Alto Networks Certified Network Security Engineer (PCNSE)., The ideal candidates will have extensive experience in Firewall migrations, strong networking skills, and a good understanding of ACI (Application Centric Infrastructure).

    Our client is a multinational financial technology company and payment processing company, seeking experienced Firewall Engineers to join their team on a contract basis. They are running a critical project involving the replacement of end-of-life Fortinet Firewalls with Juniper SRX1600 Firewalls., Thebes Group is a leading UK wide IT infrastructure technology consultancy. We are well-known for our extensive talent pool of highly competent IT professionals and exclusive Academy programmes, which provide a great opportunity to undertake technical training in core disciplines. Thebes work with a number of leading vendors, Government, financial institutions and insurance companies including investment banks, brokers and hedge funds.


  • Thebes does IT solutions & services differently from most other IT service providers. As an Assured Outcome Provider (AOP) we have spent fifteen years willingly sharing the client's risk with them by focusing on outputs (ie quality service & solutions and ROI) rather than inputs (ie pricelists and headcount). We do this by fitting our skills, solutions & capabilities to needs, augmenting our staff with enthusiastic professionals from our Academy programme and remaining flexible as our clients' needs change.