Network Engineer at Fiserv

Sydney, New South Wales, Australia -

Full Time

Start Date

Immediate

Expiry Date

09 Feb, 26

Salary

0.0

Posted On

11 Nov, 25

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Network Engineering, Network Design, Palo Alto Firewalls, F5 Load Balancers, Citrix Load Balancers, Ethernet, TCP/IP, ISIS, OSPF, BGP, MPLS, VXLAN, Python, Ansible, SDWAN, Documentation

Industry

IT Services and IT Consulting

Description

Calling all innovators – find your future at Fiserv. We’re Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants, and consumers to one another millions of times a day – quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we’re involved. If you want to make an impact on a global scale, come make a difference at Fiserv. Job Title Network Engineer Job Title: Network Engineer Are you passionate about technology, energized by challenges, and eager to roll up your sleeves to design, deploy and support large scale networks? We’re looking for a hands-on Network Engineer who brings a bias for action, a strong sense of ownership, and a hunger to learn and grow. You thrive in dynamic, fast-paced environments and are excited by the opportunity to work on cutting-edge technology. If you have the energy, commitment, and drive to make a real impact, we want you on our team. What You Will Do: Take a hands-on role in designing, delivering, and supporting advanced network infrastructure, including firewalls (Palo Alto) and load balancers (F5, Citrix). Tackle challenges head-on in next-generation data center networks, delivering sustainable, repeatable solutions. Proactively automate network operations by creating and maintaining tools, scripts, and runbooks—always looking for better, faster ways to get things done. Collaborate closely with other engineering and development teams to ensure smooth rollouts of new designs and products, while being in charge for the whole connectivity solution (network, firewalls, load balancers, etc.). Continuously challenge and evolve operational methodologies, helping to shape the future of automation at Fiserv. Create, review, and maintain documentation, processes, and knowledge transfer materials to share your expertise and help others learn. Work directly with customers to implement optimal network and security solutions and provide 2nd-level support, always with a sense of urgency and ownership. Build, configure, and install networking devices; contribute to infrastructure programmability using Python, Ansible, and web technologies. Implement client access solutions like IPSEC/VPNs and SDWAN networks, including integration with firewalls and load balancers. What You Will Need to Have: At least 5 years’ experience in network engineering, network design, or architecture, with a strong preference for hands-on roles. Demonstrated energy, initiative, and a proven track record of taking ownership and driving results. Hands-on experience with Palo Alto Networks firewalls, including policy creation, troubleshooting, and advanced feature configuration. Experience configuring, managing, and troubleshooting F5 (BIG-IP) and Citrix (NetScaler/ADC) load balancers. Experience with Ethernet, TCP/IP, ISIS, OSPF, BGP, MPLS, VXLAN, FabricPath. Experience with Data Center (DC) Networking technologies. Ability to organize and prioritize multiple tasks daily in a fast-moving environment. Experience supporting large-scale enterprise networks. Strong skills in producing clear, detailed technical documentation. Excellent written and verbal communication skills for effective collaboration with peers and customers. High level of stamina and resilience; comfortable working long hours and flexible schedules, including sometimes nights and/or during the weekend, as required. Strong desire for continuous learning and professional development. Willingness and ability to participate in an on-call rotation. What Would Be Great to Have: Experience with Cloud Environments (AWS and Azure). Advanced experience with Palo Alto firewall management, including Panorama and automation/integration (REST API, Ansible, etc.). Advanced knowledge of F5 and Citrix ADC (NetScaler) including iRules, SSL offloading, GSLB, and advanced load balancing features. Experience with automation and DevNet tools such as Python, Ansible, and web technologies (AJAX, JavaScript, HTML, Django, Flask). Any other additional scripting or software development skills. Experience working in international, collaborative environments. Thank you for considering employment with Fiserv. Please: Apply using your legal name Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable). Our commitment to Diversity and Inclusion: Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law. Note to agencies: Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions. Warning about fake job posts: Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address. There's a reason why Fiserv is the global leader in information management and electronic commerce systems for the financial services industry. It's our people. If you are a talented professional who gets excited by the challenge of helping Fiserv lead the transformation of financial services technology for our clients' benefit, we encourage you to explore career opportunities with Fiserv, where turning possibilities into realities is the norm.

Responsibilities

Design, deliver, and support advanced network infrastructure, including firewalls and load balancers. Collaborate with engineering teams to ensure smooth rollouts of new designs and provide optimal network solutions.