Sr. Systems Engineer - Load Balancing
Job Description
At FreedomPay, our infrastructure supports secure, high-volume payment processing across a global platform. We are seeking a highly experienced senior systems engineer to design, implement, and support enterprise application delivery and security solutions. This role will be responsible for managing F5, application ingress, cloud, Linux, and containerization technologies across on-premise and hybrid cloud environments, ensuring high availability, performance, scalability, and security for mission-critical applications.
- This position participates in an engineering escalation oncall rotation.
- This position is a hybrid role, with occasional onsite work in the Philadelphia area (must be currently local to Philadelphia, relocation assistance not available)
Primary Responsibilities:
- Subject matter expert in application ingress and load balancing
- Design, implement, and support global load balancing topologies in a data center and hybrid cloud environment
- Support transition from traditional application stacks to containerization workloads
- Support complex infrastructure, application, networking, and security configurations across multiple technology stacks
- Partner with networking, security, and operations teams to ensure reliable and secure application delivery
- Develop automation, documentation, standards, and operational procedures to improve system reliability and scalability
- Lead technical projects, platform upgrades, migrations, and modernization initiatives
Required Qualifications:
- Expert-level hands-on experience with F5 rSeries, virtual appliances, and BIG-IP technologies, including Local Traffic Manager (LTM), Application Security Manager (ASM) / Advanced WAF, SSL/TLS offload and certificate management, high availability and global traffic management concepts, iRules, and traffic engineering
- Expert experience implementing and supporting ingress solutions for applications hosted on physical servers, virtual servers, Kubernetes environments, and OpenShift environments
- Advanced understanding of physical networking, TCP/IP, DNS, PKI and Certificate Services
- Extensive experience with Red Hat Enterprise Linux (RHEL), container technologies, Docker and OCI-based containers, and container image management
- Strong experience with cloud technologies and architectures, including virtual machines, cloud networking, network security, cloud firewalls, and hybrid cloud environments
- Strong experience with NGINX, NGINX Ingress Controller, OpenShift Routes, Kubernetes Ingress, and reverse proxy technologies
- Strong hands-on experience with OpenShift, Kubernetes, container networking, storage integrations, platform operations, and lifecycle management
- Experience with infrastructure automation and scripting using tools such as PowerShell, Python, Ansible, and Bash
Professional Skills:
- Strong problem-solving and analytical skills
- Ability to independently own projects and technical initiatives from design through implementation
- Ability to communicate complex technical concepts to technical and non-technical stakeholders
- Demonstrated ability to work effectively both independently and within a collaborative engineering team
- Strong documentation, organizational, and time-management skills
- Customer-focused mindset with a commitment to operational excellence
Education and Experience:
- Master’s or bachelor's degree in Computer Science, Information Technology, Management Information Systems, Engineering, or a related field; equivalent experience will be considered
- Eight or more years of progressive infrastructure engineering, systems engineering, or platform engineering experience
- Five or more years of experience supporting enterprise application delivery, load balancing, and cloud infrastructure platforms
- Three or more years of experience operating Kubernetes and/or OpenShift environments in production
Preferred Certifications:
- F5 Certified Technology Specialist (F5-CTS) or F5 Certified Solution Expert (F5-CSE)
- Red Hat OpenShift certification
- Red Hat Certified Engineer (RHCE)
- Certified Kubernetes Administrator (CKA)
- Azure, AWS, or Oracle Cloud certifications
- VMware Certified Professional (VCP)
VEVRAA Federal Contractor.
We request Priority Protected Veteran & Disabled Referrals for all of our locations within the state.
At FreedomPay, our infrastructure supports secure, high-volume payment processing across a global platform. We are seeking a highly experienced senior systems engineer to design, implement, and support enterprise application delivery and security solutions. This role will be responsible for managing F5, application ingress, cloud, Linux, and containerization technologies across on-premise and hybrid cloud environments, ensuring high availability, performance, scalability, and security for mission-critical applications.
- This position participates in an engineering escalation oncall rotation.
- This position is a hybrid role, with occasional onsite work in the Philadelphia area (must be currently local to Philadelphia, relocation assistance not available)
Primary Responsibilities:
- Subject matter expert in application ingress and load balancing
- Design, implement, and support global load balancing topologies in a data center and hybrid cloud environment
- Support transition from traditional application stacks to containerization workloads
- Support complex infrastructure, application, networking, and security configurations across multiple technology stacks
- Partner with networking, security, and operations teams to ensure reliable and secure application delivery
- Develop automation, documentation, standards, and operational procedures to improve system reliability and scalability
- Lead technical projects, platform upgrades, migrations, and modernization initiatives
Required Qualifications:
- Expert-level hands-on experience with F5 rSeries, virtual appliances, and BIG-IP technologies, including Local Traffic Manager (LTM), Application Security Manager (ASM) / Advanced WAF, SSL/TLS offload and certificate management, high availability and global traffic management concepts, iRules, and traffic engineering
- Expert experience implementing and supporting ingress solutions for applications hosted on physical servers, virtual servers, Kubernetes environments, and OpenShift environments
- Advanced understanding of physical networking, TCP/IP, DNS, PKI and Certificate Services
- Extensive experience with Red Hat Enterprise Linux (RHEL), container technologies, Docker and OCI-based containers, and container image management
- Strong experience with cloud technologies and architectures, including virtual machines, cloud networking, network security, cloud firewalls, and hybrid cloud environments
- Strong experience with NGINX, NGINX Ingress Controller, OpenShift Routes, Kubernetes Ingress, and reverse proxy technologies
- Strong hands-on experience with OpenShift, Kubernetes, container networking, storage integrations, platform operations, and lifecycle management
- Experience with infrastructure automation and scripting using tools such as PowerShell, Python, Ansible, and Bash
Professional Skills:
- Strong problem-solving and analytical skills
- Ability to independently own projects and technical initiatives from design through implementation
- Ability to communicate complex technical concepts to technical and non-technical stakeholders
- Demonstrated ability to work effectively both independently and within a collaborative engineering team
- Strong documentation, organizational, and time-management skills
- Customer-focused mindset with a commitment to operational excellence
Education and Experience:
- Master’s or bachelor's degree in Computer Science, Information Technology, Management Information Systems, Engineering, or a related field; equivalent experience will be considered
- Eight or more years of progressive infrastructure engineering, systems engineering, or platform engineering experience
- Five or more years of experience supporting enterprise application delivery, load balancing, and cloud infrastructure platforms
- Three or more years of experience operating Kubernetes and/or OpenShift environments in production
Preferred Certifications:
- F5 Certified Technology Specialist (F5-CTS) or F5 Certified Solution Expert (F5-CSE)
- Red Hat OpenShift certification
- Red Hat Certified Engineer (RHCE)
- Certified Kubernetes Administrator (CKA)
- Azure, AWS, or Oracle Cloud certifications
- VMware Certified Professional (VCP)
VEVRAA Federal Contractor.
We request Priority Protected Veteran & Disabled Referrals for all of our locations within the state.
About FreedomPay
The FreedomPay Commerce Platform is the best way for merchants to simplify complex payment environments.
Validated by the PCI Security Standards Council for Point-to-Point Encryption (P2PE) along with EMV, Tokenization, Contactless and DCC capabilities, global leaders in retail, hospitality, gaming, education, healthcare and financial services trust FreedomPay to deliver unmatched security and advanced value added services.
Since our launch in 2000, FreedomPay has been a pioneer in Next Level Commerce™, including mobile payments, cashless solutions, virtual and remote terminals, payment processing, intelligent analysis, routing of promotions, incentives and customer relationship management services.
As the industry's first TransAtlantic payments solution with integrations across top point-of-sale, device manufacturers and payment processors, supported by rapid API adoption, FreedomPay is driving the future of commerce and customer interaction. With offices in Philadelphia, Las Vegas and London, FreedomPay continues to make your payments faster, simpler, safer and smarter.