Senior Network Infrastructure Specialist

4 weeks ago

Miami, Florida, United States Leidos Full time
Job Title: Lead Network Administrator

Leidos is seeking a highly skilled Lead Network Administrator to join our team in Doral, Florida. As a key member of our Digital Modernization Sector, you will be responsible for overseeing both traditional on-premise enterprise networking and cloud-based network infrastructure for IT and Cyber Services programs supporting the United States Southern Command (USSOUTHCOM) Cyber Information Technology Enterprise Services SCITES 2 contract.

Key Responsibilities:
  • Lead the management and maintenance of on-premise enterprise networking infrastructure, including switches, routers, firewalls, and load balancers.
  • Oversee the design, implementation, and management of cloud networking solutions to support hybrid infrastructure across multiple cloud platforms (e.g., AWS, Azure).
  • Ensure seamless integration between on-premise and cloud network environments, maintaining connectivity, security, and scalability.
  • Develop and implement network architecture strategies that meet the operational requirements of USSOUTHCOM, aligning with DoD standards and best practices.
  • Implement and maintain network security measures, including firewalls, access control policies, and monitoring tools, ensuring robust defense against network-based threats.
  • Lead network operations and troubleshooting efforts to resolve connectivity issues, network failures, or performance bottlenecks.
  • Manage network configuration and change control, ensuring all changes are documented and compliant with cybersecurity standards.
  • Monitor network performance using advanced monitoring tools, proactively identifying and resolving issues to ensure optimal performance and availability.
  • Collaborate with cross-functional teams, including cloud architects, cybersecurity, and IT operations, to ensure cohesive network operations across all environments.
  • Drive continual service improvement (CSI) initiatives by identifying areas for increased efficiency, optimization, and the use of emerging technologies in both on-premise and cloud network environments.
Requirements:
  • Bachelor's degree in Information Technology, Computer Science, Network Engineering, or a related field.
  • Minimum of 12+ years of experience in network administration, with demonstrated expertise in both on-premise enterprise networking and cloud networking.
  • Must currently hold and be able to maintain a Top Secret security clearance with Sensitive Compartmented Information (SCI) eligibility.
  • CompTIA Security+ or equivalent IAT Level II/III certification.
  • Cisco Certified Network Professional (CCNP) or equivalent certification.
  • Microsoft Certified: Azure Administrator Associate or AWS Certified Advanced Networking – Specialty.
  • Strong experience in managing Cisco or Juniper networking environments, including routing, switching, and network security.
  • Experience with cloud networking services such as Azure Virtual Network, AWS VPC, hybrid connectivity solutions (e.g., VPN, ExpressRoute, Direct Connect).
  • Proven experience implementing network security practices, including firewall management, network segmentation, and secure connectivity for cloud and on-premise networks.
  • Ability to troubleshoot and resolve complex network issues in a high-stakes, mission-critical environment.
  • Excellent communication skills with the ability to coordinate across diverse mission partners and stakeholders.
  • Must be proficient in Spanish and be able to speak, read, and communicate fluently.
Preferred Qualifications:
  • Master's degree in Network Engineering, Cybersecurity, or related field.
  • Experience working with DoD or other government entities, particularly in a combatant command or defense-focused organization.
  • Knowledge of USSOUTHCOM's mission, operational objectives, and command structure.
  • Experience with software-defined networking (SDN) and network virtualization technologies.
  • ITIL Foundation Certification or similar service management qualification.

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