Senior Network Engineer

Leidos • Washington, DC

2d

About The Position

Leidos is seeking a highly organized and detail-oriented Senior Network Architect / Administrator to support the HUD IOO O&M program in Washington, DC. This role combines advanced network architecture design with hands-on implementation and operational support. The ideal candidate will provide senior-level leadership in designing, implementing, and optimizing complex enterprise network environments while supporting operations and engineering teams. This position requires a forward-thinking professional who can evaluate emerging technologies and drive architectural improvements in a secure federal environment. At Leidos, we know the most talented and diverse IT and Engineering professionals will always have a multitude of career choices; your time at Leidos will be a wise investment in your career and in yourself.

Requirements

• Bachelor's degree with 8-12 years of relevant experience or Master's degree with 6-10 years of experience
• Strong experience in network architecture design and implementation
• Deep expertise in networking technologies (routing, switching, security, firewall, load balancers, VPN, NAC, and data center fabrics)
• Experience with enterprise security architecture and Zero Trust frameworks
• Experience supporting federal or large enterprise environments
• Strong analytical, troubleshooting, and leadership skills
• Advanced network troubleshooting skills.
• Excellent customer service skills.
• Excellent oral and written communication skills.
• Strong leadership skills.
• Ability to collaborate effectively across multiple teams/functions.
• Ability to work independently with a sense of urgency.
• Must be able to obtain and maintain a Public Trust security clearance.
• United States Citizenship is required.

Nice To Haves

• Cisco Certified network Associate
• Cisco Certified Network Professional (Enterprise, Security)
• Ability to think critically about processes and make recommendations for improvement.
• Strong collaboration, prioritization, and adaptability skills.
• Ability to effectively communicate with all organizational levels.

Responsibilities

• Lead network architecture implementation across LAN/WAN, data center, and cloud environments
• Provide MPLS and SD-WAN network design, support, and technology implementation
• Architect and manage data center infrastructure solutions
• Design and implement Cisco Application Centric Infrastructure (ACI)
• Implement device authentication and network access control strategies using Cisco Identity Services Engine
• Architect and manage network security using: Cisco Firepower Management Center Cisco 3105 Firewalls (Active/Passive high availability clusters)
• Design secure access for enterprise applications, including Cloud and on premise based applications: Outlook, SharePoint, OneDrive, Teams
• Implementation of new network configuration on existing Zero Trust architecture leveraging Zscaler: Zscaler Internet Access (ZIA) Zscaler Private Access (ZPA) Zscaler Digital Experience (ZDX)
• Implement and mitigate security controls / finding: Block malicious IPs and URLs Mitigate vulnerabilities across network borders Integrate Zscaler with Cisco edge and border devices
• Address ServiceNow incidents, implement change orders
• Architect and manage secure VPN solutions (Cisco ASA) for business partners
• Provide technical leadership, mentoring, and strategic recommendations

Benefits

• Pay and benefits are fundamental to any career decision.
• That's why we craft compensation packages that reflect the importance of the work we do for our customers.
• Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement.
• More details are available here.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 5,001-10,000 employees