SR. NETWORK ENGINEER

Senior Network  Engineer 

About us 

Creative Information Technology Inc (CITI) is an esteemed IT enterprise renowned for its exceptional customer service and innovation. We serve both government and commercial sectors, offering a range of solutions such as Healthcare IT, Human Services, Identity Credentialing, Cloud Computing, and Big Data Analytics. With clients in the US and abroad, we hold key contract vehicles including GSA IT Schedule 70, NIH CIO-SP3, GSA Alliant, and DHS-Eagle II.

Join us in driving growth and seizing new business opportunities.

Role and Responsibilities 

Job Summary:

We are seeking an experienced Network Engineer to design, implement, and maintain secure, scalable, and high-performing network infrastructures across on-premises, cloud, and hybrid environments. The ideal candidate will have hands-on expertise in Azure and AWS networking, firewall configuration, VPN setup, and hybrid connectivity solutions. The Network Engineer will play a key role in ensuring the reliability, performance, and security of enterprise network systems.

Key Responsibilities:

• Design, configure, and manage LAN, WAN, and cloud network infrastructures to ensure high availability and security.
• Establish and maintain hybrid connectivity between on-premises data centres and Azure using ExpressRoute and VPN tunnels.
• Deploy and configure Azure networking components, including VNETs, NSGs, Application Gateways, Load Balancers, and Private Endpoints.
• Administer and manage Azure AD / Entra ID, including access controls, RBAC, and secure authentication methods.
• Configure and maintain Cisco ASA and Fortinet firewalls, routers, and switches to enforce security and traffic management.
• Support AWS networking and security components, including VPCs, Security Groups, and CloudWatch monitoring.
• Perform network performance monitoring, troubleshooting, and optimization to maintain system reliability.
• Conduct network penetration testing, vulnerability assessments, and implement remediation actions.
• Collaborate with cross-functional teams to support application deployments, security audits, and system upgrades.
• Maintain documentation for configurations, topology diagrams, and operational procedures.
• Ensure disaster recovery and BCDR readiness for all network environments.

Minimum Qualification

Required Skills and Expertise:

• Strong understanding of network architecture, routing, and switching protocols (BGP, OSPF, EIGRP).
• Hands-on experience with Azure networking (VNETs, ExpressRoute, NSG, Private Links) and AWS VPC design.
• Proficiency with firewall management and VPN configuration (Cisco ASA, Fortinet, Azure Firewall).
• Experience with identity and access management (Azure AD, Entra ID, IAM).
• Familiarity with network security standards and compliance (NIST, HIPAA, FedRAMP).
• Knowledge of virtualization and cloud infrastructure (VMware, Hyper-V).
• Scripting knowledge in PowerShell or Azure CLI for automation and network management.
• Strong analytical, problem-solving, and communication skills

Preferred Qualifications

Preferred Qualifications:

• Experience in enterprise-level network design and support for hybrid and multi-cloud environments.
• Background in cloud migration and cost optimization projects.
• Familiarity with automation, DevOps, and CI/CD integration within cloud infrastructures.

Education: Bachelor’s degree in computer science, Information Technology, or a related field (or equivalent experience).