Linux Network Engineer Virtual Jobs in Dallas, TX

Senior Cloud Network Engineer (AWS & OCI) – 10+ Years Experience

Job Summary

The purpose of this position is to manage and architect a dynamic AWS cloud-based network consisting of network resources that support multi-tiered High Availability (HA)/Clustered AWS Transit Routing, Firewalls, Load Balancers, and Monitoring capabilities using various cloud services within AWS & OCI environments. Additional responsibilities may include support for cloud-native technologies, routers, and operating systems (Windows and Linux).

This role involves coordinating with cross-functional teams to plan, design, implement, and schedule software/hardware releases, upgrades, and infrastructure enhancements. The position is part of a large technical team responsible for the Design, Development, and Implementation (DDI) of Medicaid Management Information Systems (MMIS) for multiple states. The system operates in high-volume enterprise environments across multiple data centers and cloud platforms including AWS and Oracle Cloud Infrastructure (OCI).

Job Responsibilities

• Function as a senior individual contributor with minimal supervision and broad authority for independent judgment in designing, implementing, and maintaining enterprise cloud network infrastructure.
• Architect and manage highly available, scalable, and secure cloud networking solutions across AWS and OCI platforms.
• Design and implement security measures to protect cloud infrastructure and enterprise applications.
• Collaborate with DevOps, SysOps, Security, and Infrastructure teams to ensure seamless integration of cloud-native services.
• Develop and maintain detailed network diagrams, architecture documentation, operational procedures, and disaster recovery plans.
• Lead the enhancement of operational processes, technical standards, backup procedures, test plans, and reporting mechanisms.
• Design complex network architectures utilizing AWS and OCI networking services including: VPC / VCN, Transit Gateway, DRG, Direct Connect, FastConnect, Route 53, NAT Gateway, VPN Services, Network Firewall.
• Configure and manage cloud networking components such as subnets, route tables, gateways, VPN tunnels, and load balancing services.
• Implement and manage security services including AWS Shield, WAF, OCI Network Firewall, and DDoS protection mechanisms.
• Develop, implement, and manage policies on Check Point cloud firewalls and Cisco ASA firewalls.
• Architect and deploy F5 ASM policies to secure web applications against threats including: SQL Injection, Cross-Site Scripting (XSS), CSRF, DDoS attacks, Bot attacks.
• Develop and deploy F5 APM access policies for identity-based access control.
• Integrate cloud and network security with enterprise authentication systems including: SAML, OAuth, LDAP, Active Directory, RADIUS,MFA/SSO solutions
• Ensure all cloud and network architectures comply with regulatory and industry standards including HIPAA, GDPR, and SOC 2.
• Lead troubleshooting and root-cause analysis for complex network and cloud infrastructure issues.
• Generate after-action reports and recommend preventive improvements following incidents.
• Develop and maintain WAN optimization technologies and enterprise connectivity solutions.
• Monitor cloud and network infrastructure proactively using enterprise monitoring and fault detection tools.
• Stay current with emerging AWS & OCI technologies, networking trends, automation practices, and security best practices.
• Read, understand, and comply with all corporate policies, including HIPAA Privacy and Security regulations.

Required Experience

• 10+ years of overall IT infrastructure and network engineering experience.
• Minimum 8+ years of hands-on experience designing and implementing AWS cloud networking solutions in enterprise environments.
• Minimum 5+ years of hands-on experience with Oracle Cloud Infrastructure (OCI).
• Strong experience in architecting and managing hybrid cloud and multi-cloud network environments.
• Expert-level knowledge of: TCP/IP Networking, Routing & Switching, BGP, OSPF, EIGRP, VPN Technologies, DNSFirewalls, Load Balancing, Network Security
• Strong hands-on experience with: AWS Transit Gateway, Direct ConnectRoute, 53OCI DRG & FastConnectCheck, Point FirewallsCisco, ASAF5, ASM/APM
• Experience with Infrastructure as Code (IaC) and automation tools such as Terraform, Ansible, or CloudFormation is highly preferred.
• Strong analytical, troubleshooting, and performance tuning skills.
• Experience supporting mission-critical, high-availability enterprise systems.

Qualifications

• Bachelor’s or Master's Degree in Computer Science, Information Technology, Engineering, or related field preferred.

Certifications

• AWS Certifications preferred:
  • AWS Certified Advanced Networking – Specialty
  • AWS Certified Solutions Architect – Professional
• OCI Certification preferred.
• Active CCNA certification required.
• CCNP or equivalent advanced networking certification preferred.

About TekNinjas

TekNinjas is a global IT staffing partner placing skilled professionals with leading enterprises and system integrators across the US, Canada, UK, India, and the EU. We focus on the right fit - not just the fast fill - and stay engaged with our consultants well beyond the start date.

We're the right partners in your success.

TekNinjas is an Equal Opportunity Employer.