Summary: Leidos is seeking a highly organized and detail-oriented Senior Network Architect / Administrator to lead network architecture implementation and optimize complex enterprise network environments. Highlights: 1. Lead network architecture implementation across LAN/WAN, data center, and cloud 2. Provide technical leadership, mentoring, and strategic recommendations 3. Design and implement Cisco Application Centric Infrastructure (ACI) Apply Now Description Leidos is seeking a highly organized and detail-oriented Senior Network Architect / Administror to support the HUD IOO O&M program in Washington, DC. This role combines advanced network architecture design with hands-on implemention and operional support. The ideal candide will provide senior-level leadership in designing, implementing, and optimizing complex enterprise network environments while supporting operions and engineering teams. This position requires a forward-thinking professional who can evalue 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 Leidos will be a wise investment in your career and in yourself. Primary Responsibilities Lead network architecture implemention across LAN/WAN, da center, and cloud environments Provide MPLS and SD-WAN network design, support, and technology implemention Architect and manage da center infrastructure solutions Design and implement Cisco Applicion Centric Infrastructure (ACI) Implement device authenticion and network access control stregies 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 applicions, including Cloud and on premise based applicions:Outlook, SharePoint, OneDrive, Teams Implemention of new network configurion on existing Zero Trust architecture leveraging Zscaler:Zscaler Internet Access (ZIA) Zscaler Prive Access (ZPA) Zscaler Digital Experience (ZDX) Implement and mitige security controls / finding:Block malicious IPs and URLs Mitige vulnerabilities across network borders Integre 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 stregic recommendions Basic Qualificions 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 implemention Deep expertise in networking technologies (routing, switching, security, firewall, load balancers, VPN, NAC, and da 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 communicion skills. Strong leadership skills. Ability to collabore effectively across multiple teams/functions. Ability to work independently with a sense of urgency. Clearance Requirements Must be able to obtain and maintain a Public Trust security clearance. United Stes Citizenship is required. Preferred Qualificions Cisco Certified network Associe Cisco Certified Network Professional (Enterprise, Security) Ability to think critically about processes and make recommendions for improvement. Strong collaborion, prioritizion, and adaptability skills. Ability to effectively communice with all organizional levels. If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the stus quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already step 30 — and moving faster than anyone else dares. Original Posting: April 15, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipes th this job requisition will remain open for least 3 days with an anticiped close de of no earlier than 3 days after the original posting de as listed above. Pay Range: Pay Range $92,300.00 - $166,850.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compension or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, educion, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market da, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovions. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximely $16.7 billion for the fiscal year ended January 3, 2025. For more informion, visit www.Leidos.com. Pay and Benefits Pay and benefits are fundamental to any career decision. Th's why we craft compension packages th reflect the importance of the work we do for our customers. Employment benefits include competitive compension, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available www.leidos.com/careers/pay-benefits. Securing Your Da Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-reled informion during any part of the employment applicion process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communice with you through emails th are genered by the Leidos.com automed system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhsApp, Telegram, etc. If you received an email purporting to be from Leidos th asks for payment-reled informion or any other personal informion (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediely by emailing us LeidosCareersFraud@leidos.com. If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission. Commitment to Non-Discriminion All qualified applicants will receive considerion for employment without regard to sex, race, ethnicity, age, nional origin, citizenship, religion, physical or mental disability, medical condition, genetic informion, pregnancy, family structure, marital stus, ancestry, domestic partner stus, sexual oriention, gender identity or expression, veteran or military stus, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. #Remote Apply Now
Craigslist · HR
Craigslist · HR
