Expert Network Engineer

About Us

About Us (Ensono)

Ensono is an expert technology adviser and managed service provider. As a relentless ally we accelerate clients digital transformation to achieve business outcomes that stand to last. Our dedicated team helps organizations optimize todays systems across any hybrid environment with services such as consulting mainframe and application modernization public cloud migration and cloud-native development. With certified experts in AWS Azure and Google Cloud and recognized as Microsoft Datacenter Transformation Partner of the Year Ensono has over 3500 associates globally and is headquartered in greater Chicago.

We care about your success offering comprehensive strategic and managed services for mission-critical applications. Our Advisory and Consulting services can help upfront with an application strategy or find the right places for your applications whether its public multi or hybrid cloud or mainframe. And because we span across all mission-critical platforms we can meet you wherever you are in your digital transformation journey with 24/7 support when you need it. We are your relentless ally flexing with you when challenges emerge so you dont feel stuck in place. With cross-platform certifications and decades of experience our technology experts have become an extension of your team so youre continuously innovating doing more with less while remaining secure. And thats just the beginning.

Role Summary

We are seeking a highly experienced Network Expert with 15 years of expertise in designing implementing troubleshooting and supporting complex enterprise and data center network environments. The ideal candidate will possess deep technical knowledge across routing switching network security load balancing SD-WAN and modern data center technologies while serving as a trusted Subject Matter Expert (SME) for critical business and client environments.

This role is primarily focused on network operations (60%) including management of complex incidents escalations problem management root cause analysis performance optimization and ensuring network stability across enterprise environments. The remaining 40% of the role involves network design deployment architecture review and implementation of strategic infrastructure initiatives including data center cloud and network transformation projects.

Candidate must demonstrate excellent verbal and written communication skills with the ability to effectively interact with customers senior stakeholders vendors and cross-functional teams. The successful candidate will be expected to lead technical discussions present solutions and recommendations provide operational updates and build strong customer relationships while ensuring high levels of service delivery and customer satisfaction.

Network Operations & Support

• Provide L3/L4 support for enterprise data center and cloud network environments.
• Act as the primary escalation point for critical incidents major outages and performance issues.
• Lead troubleshooting of routing switching firewalls load balancers SD-WAN and wireless technologies.
• Perform Root Cause Analysis (RCA) and drive preventive actions to improve service stability.

Network Design & Deployment

• Design implement and support enterprise WAN and data center network solutions.
• Lead network deployments migrations upgrades and infrastructure transformation projects.
• Develop and review network architecture implementation plans and technical designs.
• Support modern data center technologies including Cisco ACI NSX EVPN-VXLAN Nexus and ASR platforms.
• Conduct risk assessments change planning and post-implementation validation.

Security & Compliance

• Design and support secure network solutions using Palo Alto Fortinet Check Point firewalls and WAF technologies.
• Drive network security segmentation firewall governance and vulnerability remediation initiatives.

Mentoring & Continuous Improvement

• Mentor and guide junior network engineers in resolving complex technical issues.
• Coach team members and help develop their technical and professional capabilities.
• Conduct regular technical review and knowledge-sharing sessions to identify and bridge skill gaps.
• Drive automation AI and process improvement initiatives to enhance operational efficiency.
• Promote engineering best practices standardization and operational excellence.

Required Skills & Qualifications

• Bachelors degree in Computer Science IT or related field

• 15 years of experience in network field

Technical Expertise (Must Have)

• Routing & Switching: BGP OSPF EIGRP vPC STP VLAN

• Network Security: Palo Alto Fortinet Check Point Cisco ASA

• Load Balancing: F5 AVI (NSX ALB) Citrix NetScaler

• Data Center Technologies: Cisco ACI VMware NSX VXLAN EVPN Nexus switches ASR routers

• Enterprise Technologies: SDWAN ISR routers Catalyst Switches Wireless Controllers/AP

• Strong troubleshooting and analytical skills

• Strong understanding of ITIL processes (Incident RCA Change Problem Management)

Good to Have

• Cloud Networking: GCP AWS Azure

• Virtualization & SDN: VMware NSX (DFW T0/T1 vSphere)

• Automation/AI knowledge (Python Ansible API-based integrations Terraform)

Tools Knowledge (Good to Have)

• ServiceNow
• Monitoring Tools: Entuity TrueSight vROPS
• Reporting & Documentation: Visio Excel PowerPoint.

Preferred Certifications

• Cisco: CCNA / CCNP / CCIE
• Fortinet certifications Checkpoint
• Google Cloud certifications

Soft Skills

• Excellent verbal and written communication skills
• Strong client relationship and stakeholder management skills
• Ability to coach and develop team members
• Strong problem-solving and analytical thinking skills
• Effective decision-making under pressure
• Excellent troubleshooting and root cause analysis mindset
• Cross-functional collaboration and teamwork skills
• Strong planning prioritization and organizational skills
• High level of ownership accountability and professionalism
• Ability to manage multiple priorities in a fast-paced environment
• Adaptability and willingness to learn new technologies
• Knowledge-sharing and technical training capabilities
• Strong attention to detail and commitment to operational excellence
• Ability to remain calm and effective during major incidents and outages

shift timing - 24/7 rotational shift.

We are an equal opportunity employer. All qualified applicants will be considered for employment without regard to caste colour creed religion gender gender identity sexual orientation age disability HIV status or any other status protected by law. Candidates with disabilities who require accommodations during the recruitment process are encouraged to contact our Talent Acquisition team to place a request.