Network Engineer - Remote Access and Proxy

Fiserv
Full_time

📍 Job Overview

  • Job Title: Network Engineer - Remote Access and Proxy
  • Company: Fiserv
  • Location: Omaha, Nebraska & Marietta, Georgia
  • Job Type: Full-Time, On-Site
  • Category: Network Engineering
  • Date Posted: August 1, 2025
  • Experience Level: Mid-Senior level (5-10 years)

🚀 Role Summary

  • Secure Access Specialist: Design, implement, and maintain secure remote access solutions using VPN, ZTNA, and identity-aware proxies.
  • Zero-Trust Enforcer: Develop and enforce zero-trust access policies for users, devices, and applications.
  • Proxy Infrastructure Manager: Deploy, configure, and manage Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA) environments, as well as forward and reverse proxy configurations.
  • Security & Performance Optimizer: Monitor proxy traffic, analyze logs, and tune policies to improve performance and security.
  • Collaborative Problem Solver: Work across teams to align access controls with enterprise standards and participate in incident response and troubleshooting.

📝 Enhancement Note: This role requires a strong focus on security, performance, and user experience in distributed environments, making it an excellent fit for experienced network engineers passionate about these aspects.

💻 Primary Responsibilities

  • Secure Remote Access Management:

    • Manage secure remote access solutions using VPN, ZTNA, and identity-aware proxies.
    • Design and enforce zero-trust access policies for users, devices, and applications.
  • Zscaler Environment Deployment & Management:

    • Deploy, configure, and maintain Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA) environments.
    • Integrate Zscaler with identity providers (e.g., Azure AD, Okta) and endpoint posture tools.
  • Proxy Infrastructure Management:

    • Manage and optimize egress proxy infrastructure, including forward and reverse proxy configurations.
    • Monitor proxy traffic, analyze logs, and tune policies to improve performance and security.
  • Collaborative Documentation & Troubleshooting:

    • Document architecture, configurations, and operational procedures for access and proxy systems.
    • Collaborate with security, networking, and endpoint teams to align access controls with enterprise standards.
    • Participate in incident response and troubleshooting related to access and proxy services.

🎓 Skills & Qualifications

Education: Bachelor's degree in computer science, or a relevant field, or an equivalent combination of education, work, and/or military experience.

Experience:

  • 4+ years in network security, remote access, or infrastructure engineering roles.
  • 2+ years of experience with scripting or automation (e.g., Python, Bash, Ansible, Terraform).
  • 2+ years of experience with network standards and protocols (TCP/IP, DNS, HTTP/S, TLS) and secure tunneling methods.
  • 2+ years of experience with log analysis and SIEM tools for access-related events.
  • 2+ years of experience with SAML, OAuth, OpenID Connect, and integration with IAM platforms.
  • Cisco Certified Network Administrator (CCNA) Certification.

Required Skills:

  • Strong understanding of network security principles and remote access solutions.
  • Proficiency in scripting and automation tools.
  • Experience with network standards and protocols.
  • Familiarity with log analysis and SIEM tools.
  • Knowledge of SAML, OAuth, OpenID Connect, and IAM integration.

Preferred Skills:

  • Prior experience with Zscaler and/or F5 load balancers.
  • Experience supporting F5 BigIP or Cisco Anyconnect VPN.
  • Experience with cloud networking (AWS, Azure, GCP).
  • Strong communication skills and ability to work across technical and business teams.
  • Experience with Agile methodologies and DevSecOps practices.

📊 Web Portfolio & Project Requirements

Portfolio Essentials:

  • Demonstrate experience with secure remote access solutions, zero-trust principles, and proxy infrastructure management.
  • Showcase projects that highlight your ability to design, implement, and maintain secure access solutions.
  • Include case studies or examples of your work in optimizing performance and security for remote access and proxy environments.

Technical Documentation:

  • Provide documentation for your projects, including architecture, configurations, and operational procedures.
  • Include any relevant reports or analyses of proxy traffic and log data.

💵 Compensation & Benefits

Salary Range: $95,000 - $130,000 per year (based on industry standards for mid-senior level network engineering roles in the United States)

Benefits:

  • Comprehensive health, dental, and vision insurance.
  • Retirement savings plans with company match.
  • Tuition assistance and professional development opportunities.
  • Employee stock purchase plan.
  • Generous paid time off and holidays.
  • Employee discounts on various products and services.

Working Hours: 40 hours per week, with on-call rotations during non-standard and/or overnight hours.

📝 Enhancement Note: Salary range is an estimate based on industry standards for mid-senior level network engineering roles in the United States. Actual salary may vary based on factors such as experience, skills, and location.

🎯 Team & Company Context

🏢 Company Culture

Industry: Fintech and payments, global leader in moving money and information securely and reliably.

Company Size: Large enterprise with a global presence, employing over 44,000 associates worldwide.

Founded: 1984, with a rich history of innovation and growth in the financial technology industry.

Team Structure:

  • Collaborative and cross-functional teams, working together to deliver secure and reliable financial services.
  • Strong focus on in-person collaboration to foster growth and innovation.
  • Rotational on-call schedule to ensure 24/7 support and maintenance of access and proxy services.

Development Methodology:

  • Agile methodologies to drive continuous improvement and innovation.
  • DevSecOps practices to integrate security into the software development lifecycle.
  • Strong focus on documentation, knowledge sharing, and continuous learning.

Company Website: Fiserv

📝 Enhancement Note: Fiserv's large enterprise structure and global presence provide ample opportunities for career growth and development within the network engineering field.

📈 Career & Growth Analysis

Network Engineering Career Level: Mid-Senior level, with a focus on secure access solutions, zero-trust principles, and proxy infrastructure management.

Reporting Structure: This role reports directly to the Manager of Network Engineering, with a matrixed reporting line to other relevant teams, such as security, networking, and endpoint teams.

Technical Impact: Network Engineers at Fiserv play a critical role in ensuring secure, reliable, and policy-driven connectivity for users, applications, and services across the global enterprise.

Growth Opportunities:

  • Technical Specialization: Deepen expertise in secure access solutions, zero-trust principles, or proxy infrastructure management.
  • Team Leadership: Develop leadership skills and take on a mentoring role for junior network engineers.
  • Architecture & Design: Contribute to the design and architecture of Fiserv's global network infrastructure.

📝 Enhancement Note: Fiserv's large enterprise structure and global presence provide ample opportunities for career growth and development within the network engineering field.

🌐 Work Environment

Office Type: Large, modern office spaces with collaborative work environments and state-of-the-art technology.

Office Location(s): Omaha, Nebraska, and Marietta, Georgia, with opportunities for travel to other office locations.

Workspace Context:

  • Collaborative Workspaces: Open-plan offices with collaborative workspaces, encouraging team interaction and knowledge sharing.
  • Technical Infrastructure: Access to cutting-edge technology, tools, and resources to support network engineering tasks.
  • On-Site Amenities: On-site cafeterias, fitness centers, and other amenities to support work-life balance.

Work Schedule: Full-time, on-site position with a rotational on-call schedule for after-hours support and maintenance.

📝 Enhancement Note: Fiserv's large enterprise structure and global presence provide ample opportunities for career growth and development within the network engineering field.

📄 Application & Technical Interview Process

Interview Process:

  1. Phone Screen: A brief phone call to discuss your experience, skills, and career goals.
  2. Technical Deep Dive: A comprehensive technical interview focused on network security, remote access, and proxy infrastructure management. Be prepared to discuss your experience with relevant tools and technologies, as well as your approach to problem-solving and troubleshooting.
  3. On-Site Interview: An on-site interview with members of the Network Engineering team, focusing on your cultural fit, communication skills, and ability to work collaboratively within a large enterprise environment.
  4. Final Decision: A final decision will be made based on your technical skills, cultural fit, and alignment with Fiserv's values and goals.

Portfolio Review Tips:

  • Highlight your experience with secure remote access solutions, zero-trust principles, and proxy infrastructure management.
  • Include case studies or examples of your work in optimizing performance and security for remote access and proxy environments.
  • Provide documentation for your projects, including architecture, configurations, and operational procedures.

Technical Challenge Preparation:

  • Brush up on your knowledge of network security principles, remote access solutions, and proxy infrastructure management.
  • Familiarize yourself with relevant tools and technologies, such as Zscaler, F5 load balancers, and cloud networking platforms.
  • Prepare for questions about your problem-solving approach, troubleshooting skills, and ability to work collaboratively within a large enterprise environment.

ATS Keywords: Network Security, Remote Access, Infrastructure Engineering, Scripting, Automation, Network Standards, Protocols, Log Analysis, SIEM Tools, SAML, OAuth, OpenID Connect, IAM Integration, Zscaler, Cloud Networking, Communication Skills, Agile Methodologies, DevSecOps, Network Engineering, Proxy Infrastructure, Zero-Trust Principles.

📝 Enhancement Note: Fiserv's large enterprise structure and global presence provide ample opportunities for career growth and development within the network engineering field.

🛠 Technology Stack & Web Infrastructure

Network Security & Remote Access Technologies:

  • Zscaler Internet Access (ZIA)
  • Zscaler Private Access (ZPA)
  • VPN, ZTNA, and identity-aware proxies
  • Network standards and protocols (TCP/IP, DNS, HTTP/S, TLS) and secure tunneling methods

Proxy Infrastructure & Egress Technologies:

  • Forward and reverse proxy configurations
  • F5 load balancers (BigIP)
  • Cloud networking platforms (AWS, Azure, GCP)

Monitoring & Logging Tools:

  • SIEM tools for access-related events
  • Log analysis and performance optimization tools

Collaboration & Documentation Tools:

  • Agile project management tools (e.g., Jira, Confluence)
  • Version control systems (e.g., Git, SVN)
  • Documentation and knowledge management platforms (e.g., Confluence, SharePoint)

📝 Enhancement Note: Fiserv's large enterprise structure and global presence provide ample opportunities for career growth and development within the network engineering field.

👥 Team Culture & Values

Network Engineering Values:

  • Security-First Mindset: Prioritize security in all aspects of network design, implementation, and maintenance.
  • Performance Optimization: Continuously monitor and optimize network performance to ensure reliable and efficient connectivity.
  • Collaborative Problem-Solving: Work collaboratively with cross-functional teams to identify and resolve network-related issues.
  • Continuous Learning: Stay up-to-date with the latest network security trends, tools, and best practices.

Collaboration Style:

  • Cross-Functional Integration: Work closely with security, networking, and endpoint teams to align access controls with enterprise standards.
  • Code Review Culture: Collaborate with team members to review and improve network configurations, scripts, and documentation.
  • Knowledge Sharing: Participate in knowledge-sharing sessions, training, and mentoring opportunities to foster a culture of continuous learning and improvement.

📝 Enhancement Note: Fiserv's large enterprise structure and global presence provide ample opportunities for career growth and development within the network engineering field.

⚡ Challenges & Growth Opportunities

Technical Challenges:

  • Secure Remote Access: Design, implement, and maintain secure remote access solutions using VPN, ZTNA, and identity-aware proxies.
  • Zero-Trust Principles: Develop and enforce zero-trust access policies for users, devices, and applications.
  • Proxy Infrastructure Management: Deploy, configure, and manage Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA) environments, as well as forward and reverse proxy configurations.
  • Performance Optimization: Monitor proxy traffic, analyze logs, and tune policies to improve performance and security.

Learning & Development Opportunities:

  • Technical Specialization: Deepen expertise in secure access solutions, zero-trust principles, or proxy infrastructure management.
  • Team Leadership: Develop leadership skills and take on a mentoring role for junior network engineers.
  • Architecture & Design: Contribute to the design and architecture of Fiserv's global network infrastructure.

📝 Enhancement Note: Fiserv's large enterprise structure and global presence provide ample opportunities for career growth and development within the network engineering field.

💡 Interview Preparation

Technical Questions:

  • Network Security Fundamentals: Discuss your understanding of network security principles, remote access solutions, and proxy infrastructure management.
  • Problem-Solving Approach: Describe your approach to identifying, diagnosing, and resolving network-related issues.
  • Tool & Technology Proficiency: Demonstrate your experience with relevant tools and technologies, such as Zscaler, F5 load balancers, and cloud networking platforms.

Company & Culture Questions:

  • Enterprise Alignment: Explain how your experience and skills align with Fiserv's enterprise goals and values.
  • Collaboration & Communication: Describe your experience working collaboratively within a large enterprise environment and how you approach communication with cross-functional teams.
  • Career Growth: Discuss your long-term career goals and how this role fits into your professional development plan.

Portfolio Presentation Strategy:

  • Project Selection: Choose projects that highlight your experience with secure remote access solutions, zero-trust principles, and proxy infrastructure management.
  • Documentation & Visualization: Prepare clear and concise documentation, diagrams, and visual aids to support your presentation.
  • Storytelling: Craft a compelling narrative that showcases your problem-solving skills, technical expertise, and ability to drive results in a large enterprise environment.

📝 Enhancement Note: Fiserv's large enterprise structure and global presence provide ample opportunities for career growth and development within the network engineering field.

📌 Application Steps

To apply for this Network Engineer - Remote Access and Proxy position at Fiserv:

  1. Submit Your Application: Click the 'Apply' button on the job posting and follow the prompts to submit your application.
  2. Tailor Your Resume: Highlight your experience with secure remote access solutions, zero-trust principles, and proxy infrastructure management. Include relevant keywords and skills to optimize your resume for Fiserv's Applicant Tracking System (ATS).
  3. Prepare Your Portfolio: Include case studies or examples of your work in optimizing performance and security for remote access and proxy environments. Provide documentation for your projects, including architecture, configurations, and operational procedures.
  4. Research Fiserv: Familiarize yourself with Fiserv's mission, values, and culture. Prepare thoughtful questions to ask during your interviews, demonstrating your interest in and understanding of the company.
  5. Prepare for Technical Interviews: Brush up on your knowledge of network security principles, remote access solutions, and proxy infrastructure management. Familiarize yourself with relevant tools and technologies, and prepare for questions about your problem-solving approach, troubleshooting skills, and ability to work collaboratively within a large enterprise environment.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and network engineering industry-standard assumptions. All details should be verified directly with Fiserv's hiring organization before making application decisions.

Application Requirements

Candidates should have 4+ years of experience in network security or infrastructure engineering and 2+ years of experience with scripting and automation. A Cisco Certified Network Administrator (CCNA) certification and a bachelor's degree in computer science or a related field are required.