Senior Network Security Engineer

CO1046 Sirius Federal, LLC; Washington (District of Columbia); On-site; USD 140,000 - 155,000; Full time

Benefits offered by this job

Annual bonus

Job summary

CDW is seeking a Senior Network Systems Engineer in Washington, DC to design and support large campus and WAN networks. You will lead complex projects, analyze traffic needs, and guide implementation across a broad set of routing and transport technologies.

Responsibilities include evaluating solutions, cost/benefit analyses, RFP support, and mentoring junior staff. This role requires security clearance eligibility and strong communication with officials and teams.

Qualifications

• Bachelor’s degree or equivalent experience.
• 5+ years designing/supporting large campus/WANs.
• Experience with contract and project management, SDLC.
• Experience with Visio.
• Strong knowledge of BGP and Internet routing.
• Knowledge of DMVPN and IPSEC VTIs.
• Knowledge of DWDM and Optical Transport.
• Knowledge of TCP/UDP, QoS, DNS/DHCP, TLS/HTTPS, SNMP, EIGRP, and OSPF.
• Skill in analyzing Sniffer traces.
• Ability to manage large projects and lead engineering initiatives.
• Excellent written and oral communication with officials and staff.

Responsibilities

• Evaluates and recommends wide‑area networking solutions.
• Develops traffic engineering studies to determine data network requirements.
• Performs cost/benefit analysis on data communications methods.
• Designs complex networks and develops service specifications.
• Assists in preparing RFPs and RFQs.
• Reviews reliable, cost‑effective WAN/LAN solutions.
• Provides senior operational support for WAN/LAN problems.
• Monitors performance and bandwidth utilization.
• Keeps abreast of telecom technology changes and applies standards.
• Trains staff in telecommunications technologies.

Skills

BGP routing

DMVPN & IPsec

DWDM

OSPF/EIGRP

Sniffer analysis

Project management

Engineering leadership

Network planning

Effective communication

Education

Bachelor’s degree

Tools

Visio

Job description

This position is located in the Network Engineering and Operations (Networking) Directorate, House Information Resources (HIR), Office of the Chief Administrative Officer (CAO), U.S. House of Representatives (House). The Networking Directorate provides operational support services to the House that ensure reliable and dependable connectivity to the House Data Network both on the House Campus and to over 820 District Offices as well as numerous Business Continuity and Disaster Recovery (BC/DR) sites, facilities, and mobile capabilities. This position serves as the Senior Network Systems Engineer. This position has access to Personally Identifiable Information (PII).

What You Will Do

• Evaluates and recommends commercially available, standards compliant wide‑area networking solutions.
• Develops traffic engineering studies and analyses to determine data network requirements.
• Performs cost/benefit analysis on competing methods of providing data communications.
• Designs complex integrated communication networks and develops network service specifications and procedures.
• Assists in the preparation of Request for Proposals and Request for Quotations.
• Reviews and evaluates reliable, cost-effective, and efficient wide‑area communications for the House.
• Provides senior level operational support on day‑to‑day operations and resolution to complex WAN/LAN problems.
• Conducts performance and bandwidth utilization monitoring of wide‑area communication systems.
• Keeps abreast of relevant telecommunications technology changes and applies industry standards to House requirements.
• Trains other House staff in telecommunications technologies and provides technical guidance to junior level engineers.
• Performs other official duties and special projects as assigned.

What We Expect of You

• Bachelor’s degree in a related field or equivalent work experience.
• Minimum 5 years of experience designing and supporting large scale campus networks and/or wide‑area networks.
• Experience in contract management, project management, SDLC, and change management processes required.
• Experience with Visio.
• Strong knowledge of BGP and Internet Routing.
• Knowledge of DMVPN and IPSEC VTIs.
• Knowledge of DWDM and Optical Transport Systems.
• Knowledge of TCP, UDP, QoS, DNS/DHCP, TLS/HTTPS, SNMP, EIGRP, and OSPF.
• Skill in analyzing Sniffer traces.
• Skill in the coordination of network engineering and integration projects.
• Ability to manage large projects and bring them to a successful conclusion.
• Ability to provide engineering leadership on all phases of analysis, design, testing, and implementation of networks, integration of voice and data, and telecommunications.
• Ability to perform complex planning and evaluation of network systems.
• Ability to communicate effectively, both orally and in writing, with elected officials, senior staff, information systems professional, and non‑technical users.

HIR Technical Competencies

• Analytics
• Application Administration and Integration
• Emergency Response Planning and Risk Management
• Hardware Installation and Management
• Information Management
• Information Resources Strategy and Planning
• Information Systems/Network Security
• Information Technology Support
• Knowledge of Emerging Trends and Industry Best Practices
• Network Management
• Project Management
• Quality Assurance and Testing
• and Telecommunications

General Competencies

• Accountability, Adaptability, Collaboration, Communication, Customer Orientation, Knowledge of Relevant Policies, Procedures, and Processes, Priority Management, and Problem Resolution.

Employees within this position are expected to demonstrate the following HIR Technical Competencies: Analytics; Application Administration and Integration; Emergency Response Planning and Risk Management; Hardware Installation and Management; Information Management; Information Resources Strategy and Planning; Information Systems/Network Security; Information Technology Support; Knowledge of Emerging Trends and Industry Best Practices; Network Management; Project Management; Quality Assurance and Testing; and Telecommunications. All employees within CAO are expected to demonstrate the following general competencies: Accountability, Adaptability, Collaboration, Communication, Customer Orientation, Knowledge of Relevant Policies, Procedures, and Processes, Priority Management, and Problem Resolution.

The work involves carrying of light items such as books, papers and small office equipment. This position is located in an office setting that is adequately heated, lighted, and ventilated. Normal safety precautions apply. The incumbent must be able to meet minimum physical requirements (lifting, bending, crouching, standing, etc.). Must successfully complete a criminal history records check. Employee may be subject to drug testing in accordance with the CAO Drug Free Workplace Plan. Must be able to secure and maintain Federal Government security clearances as deemed appropriate by senior management.

Pay range: $140,000 - $155,000 depending on experience and skill set. Annual bonus target of % subject to terms and conditions of plan. Benefits overview: https://cdw.benefit-info.com/. Salary ranges may be subject to geographic differentials. CDW is committed to being an AI‑fluent organization.

We’re looking for people who bring curiosity, a learner’s mindset, and a willingness to engage with ever‑evolving technology and tools. We value adopting AI as a partner, openness to experimentation, and a shared interest in learning together on AI. Our goal is to create a culture where AI enhances—not replaces—human creativity and decision‑making. You don’t need to be an expert today; what matters is your readiness to explore, adapt, and grow with us as we integrate AI responsibly and effectively into our work. Additionally, CDW is committed to fostering an equitable, transparent, and respectful hiring process for all applicants. During our application process, our goal is to understand your experience, strengths, skills, and qualifications. As an AI forward company, we see AI not just as a tool, but as a catalyst for new ways of thinking, creating, and communicating. We encourage candidates to embrace an AI mindset, one that’s curious, adaptive, and ready to explore what’s possible. We welcome thoughtful use of AI to expand your perspective and elevate how you share your story, while ensuring your application remains rooted in your own background, judgment, and voice.

About CDW

CDW is a Fortune 500 technology solutions provider that helps businesses, government, education, and healthcare organizations achieve what’s possible through technology. What makes CDW different isn’t just what we do—it’s how we do it. At CDW we act as one—building trust, speaking candidly, and working together to achieve more. We play to win—focusing on what matters most and delivering for our customers. And we think forward—staying curious, moving fast, and continuously learning. We believe meaningful work happens when people feel supported, heard, and empowered to contribute. That’s why we think of ourselves as coworkers, not just employees—working together to solve complex challenges and deliver real impact for our customers and communities. As a full‑stack, full‑lifecycle technology partner, CDW brings deep expertise, strong relationships, and broad industry knowledge to help turn ideas into outcomes. When you join CDW, you become part of a collaborative environment where your work matters, your growth is supported, and your contributions help shape what’s next. Together, we deliver the full promise of what technology can do. Together, we Make Amazing Happen. CDW is an equal opportunity employer. All qualified applicants will receive consideration for employment without regards to race, color, religion, sex, sexual orientation, gender identity, national origin, disability status, protected veteran status or any other basis prohibited by state and local law. At CDW, we make technology work so people can do great things. We are a leading multi‑brand technology solutions provider to business, government, education and healthcare customers in the United States, the United Kingdom and Canada. Our coworkers across the globe are working together to bring technology to life for our customers by solving complicated IT business challenges, providing outstanding service, and orchestrating the technology landscape to optimize our customers’ performance.