Senior Systems Engineer

Senior Systems Engineer - Network Engineering

Wilmington, DE

Monday – Friday 8:00 AM – 5:00 PM

Remote

If you like finding and implementing innovative solutions, you'll fit in perfectly at CSC. The world's leading provider of business, legal, tax, and digital brand services, we use technology to make businesses run smoother and smarter.

We are seeking a highly skilled and experienced Senior Network Engineer to join our team. As a Senior Network Engineer, you will be responsible for designing, implementing, and maintaining complex network infrastructure solutions, with a focus on Cisco, F5, AWAF, Palo Alto Firewalls, Infoblox, Zscaler ZPA, Azure Cloud, ISE and SDWAN. In addition, you will play a crucial role in automating network operations using Ansible and Python scripting. The ideal candidate should possess a deep understanding of network architecture, protocols, and security frameworks, along with hands-on experience in network automation and orchestration.

Some of the things you will be doing:

• Designing, implementing, and supporting network infrastructure solutions utilizing Cisco, F5, Palo Alto Firewalls, Infoblox, Zscaler ZPA, Azure Cloud, ISE and SDWAN.
• Collaborating with other IT teams to gather requirements and design network solutions that align with business objectives.
• Leading the implementation and configuration of network devices, including routers, switches, firewalls, load balancers, F5 AWAF, and Infoblox DDI
• Developing and maintaining network automation scripts using Ansible and Python to streamline network operations, configuration management, and troubleshooting.
• Integrating network automation solutions with existing tools and systems to enhance operational efficiency and reduce manual tasks.
• Performing network capacity planning and conducting periodic assessments to ensure optimal performance and scalability.
• Troubleshooting and resolving complex network issues, providing timely resolution to minimize network downtime.
• Conducting network security audits and implementing necessary measures to protect the network infrastructure.
• Creating and maintaining network documentation, including network diagrams, configurations, and standard operating procedures.
• Participating in change management processes, including evaluating and implementing network changes in accordance with best practices.
• Collaborating with vendors and third-party providers to ensure effective delivery and support of network services.
• Mentoring and providing technical guidance to junior network engineers, sharing knowledge and best practices.

What technical skills, experience and qualifications do you need?

• Bachelor's degree in computer science, Information Technology, or a related field. Equivalent work experience may be considered.
• Minimum of 10 years of experience working as a Network Engineer, with a focus on Cisco, F5, Palo Alto Firewalls, Infoblox, Zscaler ZPA, Azure Cloud, ISE and SDWAN.
• Cisco certifications such as CCNP or CCIE are highly desired.
• In-depth knowledge of network protocols, including TCP/IP, BGP, OSPF, EIGRP, VLAN, MPLS, SDWAN and VPN.
• Strong experience in designing and implementing network solutions using Cisco routing and switching technologies (e.g., Cisco Catalyst, Cisco ACI, Nexus).
• Hands-on experience with F5 load balancers, including LTM and GTM modules, AWAF and proficiency in designing and configuring high-availability load balancing solutions.
• Proven expertise in designing and managing Palo Alto Firewalls, including configuration, policy management, and threat prevention.
• Familiarity with Infoblox DNS/DHCP/IPAM solutions and experience in integrating them with network infrastructure.
• Knowledge of Cisco ACI (Application Centric Infrastructure) and experience in deploying and managing ACI fabric, policies, and integrations.
• Strong scripting skills in Ansible and Python for network automation and orchestration.
• Solid understanding of network security principles, including access control, authentication, VPN technologies, and firewall rules.
• Strong analytical and problem-solving skills, with the ability to troubleshoot complex network issues and provide timely resolutions.
• Excellent communication and interpersonal skills, with the ability to effectively collaborate with cross-functional teams and present complex technical concepts to non-technical stakeholders.
• Ability to work independently and manage multiple priorities in a fast-paced environment.

CSC is a global business, legal, and financial services company based in Wilmington, Delaware, USA, providing knowledge-based solutions to clients worldwide. We have offices and capabilities in over 140 jurisdictions in the Americas, Europe, Asia Pacific, and the Middle East, and more than 8,000 colleagues. We are the business behind business.®

Visit our careers site to learn more about CSC and our commitment to our clients, communities, and each other.

CSC is committed to creating a feeling of belonging through a diverse and growth-oriented environment where everyone is valued.

CSC colleagues have global career opportunities and excellent benefits, including annual success-sharing bonuses or commission plans based on individual performance. To learn more, visit cscglobal.com/service/careers.

We offer a range of support to colleagues with disabilities, ensuring people have the necessary resources to thrive in their roles. We encourage candidates to work closely with our talent acquisition partners to convey their specific needs. Our commitment to accessibility reflects our broader dedication to diversity and belonging,

CSC only accepts resumes from employment agencies that are part of our approved supplier program. Resumes submitted from other agencies either to talent acquisition, our hiring leaders, employees, or through any other mechanism other than our supplier process, will not be eligible to claim related fees and the submitted resumes will be considered property of CSC.

We encourage candidates to apply directly to our website and not through third-party sources.

Disclaimer: The information above describes the general nature and level of work performed by employees in this role. It is not intended to describe all duties, responsibilities, and qualifications.

Why Work with CSC?

At CSC®, we're always looking ahead, finding ways to innovate, challenge the status quo, and anticipate the needs of our clients. We exceed expectations by adapting client ambitions and goals as our own. This Fierce Client Spirit has helped us adapt and create solutions that have enabled businesses to run smoother and smarter for more than 125 years. It's also the reason we're the trusted partner of many of the world's most successful organizations. CSC is committed to attracting, developing, and retaining talented people whose values align with ours. We empower our colleagues to bring the right solutions to market to meet client demand. That's why we are the leading provider of business administration and compliance solutions.

• CSC is a great place to work with smart and dedicated people.
• We have won several employer recognition awards, including Top Workplace USA, Great Places to Work India, and Built In's Best Places to Work.
• We offer fulfilling work and career opportunities. Most positions are filled with internal moves and employee referrals.
• Employees are eligible for Success Sharing, bonuses, or commission plans based on role and individual performance.
• CSC offers a competitive and comprehensive benefits package that includes annual leave, tuition reimbursement, referral bonuses, and more.
• As business needs allow, CSC offers hybrid or remote work schedules in alignment with local regulations. Specific details for this position will be discussed during the interview process.

Job Info

• Job Identification 15796
• Job Category Application Development and Support
• Posting Date 05/18/2026, 06:56 PM
• Job Schedule Full time
• Locations Work From Home, Dover, DE, 19901, US (Remote)