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Sr Network Design Engineer Jobs in Washington (NOW HIRING)

Astrion

Sr. Network Engineer

Columbia, MD · On-site

$145K - $165K/yr

As Needed SALARY RANGE: $145k - $165k Astrion has an exciting opportunity for a highly experienced Senior Network Engineer to design, implement, secure, and maintain mission-critical network ...

Astrion

Sr. Network Engineer

Columbia, MD · On-site

$145K - $165K/yr

As Needed SALARY RANGE: $145k - $165k Astrion has an exciting opportunity for a highly experienced Senior Network Engineer to design, implement, secure, and maintain mission-critical network ...

Nightwing

Senior Network Engineer

Annapolis, MD · On-site

$122K - $253K/yr

Analyzes design, specifications, and related documents. Performs general LAN/CAN/WAN administration. Schedules conversions and cutovers. The Senior Network Engineer shall possess the following ...

Nwis

Senior Network Engineer

Annapolis Junction, MD

$122K - $253K/yr

Analyzes design, specifications, and related documents. Performs general LAN/CAN/WAN administration. Schedules conversions and cutovers. The Senior Network Engineer shall possess the following ...

NewGen

Network Design Engineer - Access

Chantilly, VA · On-site

NewGen Technologies has an opening for a Design Engineer (Access) to support the customer's various WAN and LAN networks, in providing network design, upgrades and config support to the architecture ...

Leidos

Senior Network Engineer

Laurel, MD · On-site

$116K - $210K/yr

Senior Network Engineer Leidos - National Security Sector | Cyber & Analytics Business Area Make an ... Strong experience in network design, optimization, and security * CCNA and CCNP certifications ...

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Sr Network Design Engineer information

What are the key skills and qualifications needed to thrive as a Sr Network Design Engineer?

A Sr Network Design Engineer needs deep expertise in network architecture, protocols, and security, often supported by a bachelor's degree in a related field and certifications like CCNP or CCIE. Familiarity with network design tools (such as Cisco Prime or SolarWinds), routing and switching hardware, and network simulation software is essential. Strong analytical thinking, problem-solving, and communication skills help translate business requirements into robust technical solutions. These skills and qualifications are vital for building resilient, scalable networks that support organizational goals and maintain high performance.

What is a Sr Network Design Engineer?

Sr Network Design Engineers are senior-level professionals responsible for designing, planning, and implementing complex network infrastructures for organizations. They analyze business requirements, create detailed network architectures, select appropriate hardware and software, and ensure network performance, security, and scalability. These engineers also troubleshoot advanced issues, mentor junior staff, and stay up-to-date with the latest networking technologies to support evolving business needs.

What are some typical challenges faced by Sr Network Design Engineers when implementing large-scale network solutions?

Sr Network Design Engineers often encounter challenges such as integrating new technologies with legacy infrastructure, ensuring network scalability, and meeting stringent security requirements. Balancing performance, reliability, and cost within the design can also be complex, especially when collaborating with cross-functional teams like security, operations, and architecture. Additionally, they must stay current with rapidly evolving network protocols and best practices, while troubleshooting unforeseen issues during deployment.
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Sr Network Design Engineer jobs near you
Infographic showing various Sr Network Design Engineer job openings in Washington as of August 2026, with employment types broken down into 1% Internship, 85% Full Time, 10% Part Time, and 4% Contract. Highlights an 84% Physical, 5% Hybrid, and 11% Remote job distribution.

Network Security Engineer with Security Clearance

Zachary Piper Solutions, LLC

Washington, DC • On-site

$66 - $86.25/hr

Other

Medical, Dental, Vision, Retirement, PTO

Re-posted 26 days ago

Job description

Piper Companies is seeking a Senior Network Security Engineer to support a government-focused organization. This position is onsite and requires an active Top Secret clearance. The role focuses on designing, implementing, and maintaining advanced network security architectures, with a strong emphasis on Cisco and Juniper technologies. Responsibilities for the Senior Network Security Engineer include: * Design, implement, and optimize firewall and IPS rule structures to ensure security standards are maintained
* Monitor, maintain, and improve the health and performance of firewalls and intrusion prevention systems (IPS)
* Plan and coordinate enterprise-wide network security initiatives and solutions
* Develop and maintain documentation, schematics, and procedures related to network security infrastructure
* Research, evaluate, test, and implement new security technologies and tools
* Support network engineering teams with expert-level security guidance
* Lead migrations from Cisco ASA to Firepower Threat Defense (FTD) environments
Required Qualifications for the Senior Network Security Engineer include: * 10+ years of overall IT experience
* Bachelor's degree in a related field (strongly preferred)
* Hands-on experience with Cisco Identity Services Engine (ISE), including upgrades, deployment, and licensing
* Proven experience with Cisco Firepower and ASA to FTD migrations
* Strong knowledge of Cisco 802.1X deployment and authentication frameworks
* Experience designing and deploying DMVPN (CNSSP-15 compliant) and Juniper ADVPN
* Solid understanding of routing protocols including OSPF, EIGRP, and BGP
* Active Top Secret security clearance (required)
Preferred Certifications: * CCNP Security
* CCNP Enterprise (Routing & Switching)
* CCDP
Compensation for the Senior Network Security Engineer includes: * Salary: Competitive based on experience
* Full Benefits Package: PTO, Paid Holidays, Medical, Dental, Vision, 401(k), and additional benefits (details to be provided) #LI-MJ1 #LI-ONSITE Keywords: Network Security, Cisco ISE, Cisco Firepower, ASA to FTD Migration, 802.1X, DMVPN, Juniper ADVPN, OSPF, EIGRP, BGP, Firewall Engineering, IPS, Intrusion Prevention, Network Architecture, CCNP Security, CCNP Enterprise, CCDP, Top Secret Clearance, Government Contractor, Onsite, Cybersecurity, Routing Protocols, Secure Network Design

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