Network Engineer- Arlington, VA

Network Engineer- Arlington VA

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 worlds 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. Weve continually refined transformed and perfected our approach to our business creating a language that has become standard in our industry for our customers and even our competitors. We continue that effort today and are always working to improve and drive innovation. This is how we deliver for our customers our employees and investors. By equipping the brightest minds with the best resources available we provide an invaluable edge in real estate.

We are seeking a motivated and detail-oriented Network Engineer I to join our Data Center Networking team. This is an early-career role ideal for candidates with 35 years of total IT experience including 12 years of hands-on networking experience. Youll work alongside a team of experienced engineers to support and maintain our global data center infrastructure which powers high-traffic platforms like and role is a great opportunity for someone looking to deepen their skills in a complex enterprise-scale environment while contributing to the security performance and reliability of our data center networks.

This position is located at our Arlington VA office and offers a schedule of Monday to Thursday in office and Fridays remote.

Responsibilities

• Assist in the installation monitoring and support of enterprise data center network infrastructure including core and distribution switches firewalls and load balancers ensuring high availability and resilience across environments.
• Configure maintain and troubleshoot Palo Alto firewalls to support network security operations. This includes creating and optimizing security policies managing User-ID and App-ID features configuring site-to-site and remote-access VPNs enabling advanced threat prevention (IPS / IDS WildFire URL filtering) and monitoring traffic / logs to proactively detect and remediate security incidents.
• Configure maintain and troubleshoot F5 LTM / GTM appliances to ensure high availability and optimized application delivery. This includes local and global load balancing SSL offloading health monitoring iRules for traffic shaping DNS / GTM for global traffic distribution and integration with data center and cloud services to improve scalability and resiliency.
• Support certificate management by assisting in the installation renewal and validation of digital certificates to secure applications and network services.
• Contribute to AWS networking environments including the configuration and support of VPCs Transit Gateways VPNs Firewalls and Direct Connect links to extend and integrate hybrid infrastructure.
• Participate in network automation initiatives using Python Ansible and Terraform building repeatable processes to reduce manual tasks improve deployment speed and enforce configuration consistency.
• Perform DNS and domain management tasks including zone updates record maintenance domain migrations and troubleshooting for internal and external services.
• Develop and maintain network documentation including diagrams runbooks and operational procedures to support knowledge sharing and audit requirements.
• Collaborate with cross-functional teams including Security Database Service Desk and DevOps to deliver stable secure and high-performing network services that meet business needs.

Basic Qualifications

Preferred Qualifications And Skills

Whats in it for You

When you join CoStar Group youll 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 and tuition reimbursement.

Our benefits package includes (but is not limited to) :

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.

#LI-MC5

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

Key Skills

Load Balancing,Routing Protocols,Network Administration,Network Engineering,BGP,LAN,Computer Networking,IPsec,OSPF,Cisco ASA,Juniper,MPLS

Employment Type : Full-Time

Experience : years

Vacancy : 1