Senior Network Engineer

Senior Network Engineer - Data Center

Job Description

Overview

CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index and the NASDAQ 100, CoStar Group is on a mission to digitize the world’s real estate, empowering all people to discover properties, insights, and connections that improve their businesses and lives. We have been living and breathing the world of real estate information and online marketplaces for over 35 years, giving us the perspective to create truly unique and valuable offerings to our customers.

We are looking for a Senior Network Engineer to join a team of experienced engineers focused on designing, implementing, and operating Data Center network infrastructure, network security, Cloud Networking, and Application Delivery. This position is located in Washington, DC or Richmond, VA and offers a schedule of 3 days onsite and 2 days remote.

Responsibilities

1. Support network, security, and application delivery solutions for CoStar’s internal and external products on premises and on AWS Cloud.
2. Manage projects related to network services such as Cloud, Global Traffic Management, Content Delivery, application and network load balancing.
3. Develop automation to improve engineering and operational tasks.
4. Evaluate, design, and implement network products to fill business needs.
5. Triage tickets related to connectivity concerns, perform root cause analysis, and iterate processes to prevent future issues.
6. Develop and improve processes related to network operations and support.
7. Support and manage monitoring platforms.
8. Manage software & firmware equipment update cycle.
9. Provide technical expertise and guidance to other network engineers and teams on network-related questions and projects.
10. Stay updated with emerging technologies and industry best practices to drive continuous improvement and innovation.
11. Manage company’s certificates, domains, IP address allocation, AS design, traffic engineering, security perimeters, and app delivery architecture.
12. Work with various technologies including, but not limited to:

• AWS Cloud – VPCs, AWS Network Firewall, Direct Connect, peer links, R53.
• F5 LTM, GTM and Nginx, Akamai CDN, DNS Edge, Siteshield.
• Palo Alto Firewalls.
• Routing protocols – BGP, OSPF.
• Cisco switching – Classic, Network Fabric, ACI.

Basic Qualifications

1. Bachelor’s Degree required from an accredited, not for profit university or college.
2. Strong understanding of networking protocols and technologies (e.g., TCP/IP, BGP, VLANs, routing, switching).
3. 5+ years of experience with AWS Network services – AWSNF, VPCs, TGW, ELBs, ALBs.
4. 2+ years of experience supporting DevOps teams and deployment tools – TFS, Azure DevOps, Git, Terraform.
5. Strong scripting and/or automation experience – Python, Ansible, Terraform, PowerShell.
6. Solid knowledge on content delivery technologies and solutions (GTM, LTM, ALB, NLB, Nginx, Akamai) and network services such as DNS, DHCP, RADIUS, NTP.
7. Hands-on experience with network operations, troubleshooting, and managing network projects.
8. Strong written and verbal communication, including writing procedural documents.

Preferred Qualifications And Skills

1. Solid experience with firewall design and operations – Palo Alto, AWS Network Firewall.
2. Experience with monitoring platforms including LogicMonitor, Solarwinds, PRTG, Epitiro, and ThousandEyes.
3. Experience deploying IPv6 networks – migration, hybrid environment.
4. Experience supporting enterprise/carrier grade networks – routing and switching.
5. Experience administering Certificate Management tools – AppviewX, DigiCert, etc.
6. Hands-on experience in network protocol analyzers/sniffers, troubleshooting.
7. Experience managing layer-2 fabrics using spine/leaf & VXLAN EVPN.
8. Knowledge of project management tools – Jira, Confluence, Agile.
9. Industry certifications such as CompTIA Network+, AWS (Network, Content Delivery), Cisco (CCNA, CCNP, CCIE), Palo Alto (PCNSA, PCNSE), F5 are a plus.

What’s in it for You

When you join CoStar Group, you’ll experience a collaborative and innovative culture working alongside the best and brightest to empower our people and customers to succeed. We offer you generous compensation and performance-based incentives. CoStar Group also invests in your professional and academic growth with internal training, tuition reimbursement, and an inter-office exchange program. Our benefits package includes (but is not limited to):

• Comprehensive healthcare coverage: Medical / Vision / Dental / Prescription Drug.
• Life, legal, and supplementary insurance.
• Virtual and in-person mental health counseling services for individuals and family.
• Commuter and parking benefits.
• 401(K) retirement plan with matching contributions.
• Employee stock purchase plan.
• Paid time off.
• Tuition reimbursement.
• On-site fitness center and/or reimbursed fitness center membership costs (location dependent), with yoga studio, Pelotons, personal training, group exercise classes.
• Access to CoStar Group’s Diversity, Equity, & Inclusion Employee Resource Groups.
• Complimentary gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacks.

This position offers a base salary range of $117,800 - $184,800 based on relevant skills and experience and includes a generous benefits plan. We welcome all qualified candidates who are currently eligible to work full-time in the United States to apply. However, please note that CoStar Group is not able to provide visa sponsorship for this position.

CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing.