Arlington, Virginia, United States · Hybrid
Senior Penetration Tester <br> Job Description <br> Overview CoStar Group is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 In…
Skills: Penetration Testing, Web Application Security, API Penetration Testing, Secure Code Review, Python
Arlington, Virginia, United States · Hybrid
$95k–$115k/yr
Location: Arlington, VA Worksite: Herbert R. Temple Jr. Army National Guard Readiness Center, 111 S. George Mason Drive, Arlington, VA Salary Range: $95,000-$115,000 Annually Employment Type: Full-time Clearance/Access: …
Skills: AutoCAD, Space Planning, Interior Design, Systems Furniture Planning, Facility Management
Arlington, Virginia, United States · Hybrid
Senior Cloud Platform Security Engineer <br> Job Description <br> Overview CoStar Group is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in …
Skills: Cloud Security, Kubernetes Security, AI Security, Infrastructure as Code, AWS
Arlington, Virginia, United States · On-site
$110k–$140k/yr
Company Description Senior Mechanical Engineer, Energy Systems 333 West Washington St, Syracuse, United States Full-time Applicants must be currently authorized to work in the United States on a full-time basis. No spons…
Skills: HVAC Design, Mechanical Engineering, Revit, Industrial Piping, Plumbing Design
Arlington, Virginia, United States · On-site
$58k–$83k/yr
Company Description Applicants must be currently authorized to work in the United States on a full-time basis. No sponsorship is available for this position. Syracuse, NY Binghamton, NY Arlington, VA Charlotte, NC Winsto…
Skills: Autodesk Revit, Structural Design, Construction Administration, BIM Coordination, Structural Engineering Drawings
Arlington, Virginia, United States · Hybrid
Sr. Security Engineer <br> Job Description <br> Overview CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the…
Skills: Network Security, SaaS Security, AI Security, AWS Networking, Next Generation Firewalls
Arlington, Virginia, United States · Remote OK
$122k–$152k/yr
Company Description Air Pollution Control (APC) Engineer This position can be located anywhere within the United States near a Ramboll office. We invite you to join Ramboll’s Air Pollution Control (APC) Group and bring y…
Skills: Air Pollution Control, Combustion Technologies, Heat Recovery, Project Management, Business Development
Arlington, Virginia, United States · On-site
$104k–$218k/yr
Job Title: Senior Solutions Architect Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of Travel Required: None Type of Travel: None …
Skills: Solution Architecture, Technical Leadership, IT Strategy, Application Inventory Analysis, Multi-platform Consolidation
Arlington, Virginia, United States · Hybrid
$90k–$184k/yr
Software Engineer - JobID-0055 Department: Engineering Employment Type: Full Time Location: Arlington, VA Compensation: $90,000 - $184,000 / year Description Innovative Defense Technologies (IDT), provider of cutting-edg…
Skills: C++, Java, Confluence, Jira, Tactical Data Networks
Arlington, Virginia, United States · Hybrid
Homes.com - Machine Learning Engineer <br> Job Description <br> CoStar Group is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500…
Skills: Machine Learning, Python, Recommendation Systems, Computer Vision, Supervised Learning
Arlington, Virginia, United States · Hybrid
Lead Software Engineer- CoStar- Arlington, VA <br> Job Description <br> Overview CoStar Group is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Includ…
Skills: React, Node.js, TypeScript, C#, .Net
Arlington, Virginia, United States · On-site
Senior UX Product Designer, Homes.com <br> Job Description <br> CoStar Group is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500…
Skills: UX Design, Product Design, Visual Design, Prototyping, User Flows
Arlington, Virginia, United States · Hybrid
$140k–$180k/yr
About Applied Intuition Applied Intuition, Inc. is powering the future of physical AI. Founded in 2017 and now valued at $15 billion, the Silicon Valley company is creating the digital infrastructure needed to bring inte…
Skills: C++, Python, Software Engineering, Operating Systems, Hardware Integration
Arlington, Virginia, United States · Hybrid
$100k–$180k/yr
About Starfish Space Starfish Space provides satellite servicing missions with its Otter servicing vehicle, including life extension missions for geostationary satellites and disposal missions for low Earth orbit satelli…
Skills: Business Development, Sales Process Management, Contract Negotiation, Market Research, Relationship Building
Arlington, Virginia, United States · On-site
$80k–$85k/yr
Summary: Summit Ridge Energy (“SRE”) is seeking a Project Engineer to support Project Manager(s) in the execution and successful commissioning and completion of the company's projects, specifically solar PV a…
Skills: Project Engineering, Solar PV, Energy Storage, Energy Modeling, Performance Testing
Arlington, Virginia, United States · On-site
$131k–$178k/yr
AWS Global Services includes experts from across AWS who help our customers design, build, operate, and secure their cloud environments. Customers innovate with AWS Professional Services, upskill with AWS Training and Ce…
Skills: Cloud Computing, Technical Account Management, AWS Services, Distributed Systems, Risk Management
Arlington, Virginia, United States · On-site
$104k–$218k/yr
Job Title: .NET Developer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental …
Skills: C#, .NET Framework, ASP.NET, .NET Core, React
Arlington, Virginia, United States · On-site
OVERVIEW iTech AG is seeking a Senior ServiceNow Developer to support a federal program by designing, developing, and enhancing ServiceNow solutions in a secure, scalable, and compliant environment. This role serves as a…
Skills: ServiceNow Development, IT Asset Management (ITAM), Service Portal, UI Builder, JavaScript
Arlington, Virginia, United States · On-site
OVERVIEW iTech AG is seeking a Senior ServiceNow Developer to support a federal program by designing, developing, and enhancing ServiceNow solutions in a secure, scalable, and compliant environment. This role serves as a…
Skills: ServiceNow Development, ITSM, Service Portal, UI Builder, JavaScript
Arlington, Virginia, United States · On-site
Job DetailsJob Location: Arlington, VA 22202SUMMARY This position is primarily responsible for directing, coordinating, and exercising functional authority for planning, organization, control, integration and completion …
Skills: HVAC Maintenance, Electrical Systems, Plumbing Systems, CMMS, Budget Management
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Lead penetration tests on web applications and infrastructure to identify vulnerabilities and demonstrate exploitability to leadership. Collaborate with detection and incident response teams on purple team exercises and mentor engineers on offensive security techniques.
Requires a Bachelor's degree and at least 6 years of technical experience, with 3 years specifically in penetration testing. Must possess security certifications like OSCP or OSWE and demonstrate proficiency in scripting and secure code review.
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Job Description
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CoStar Group is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index, 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. This extensive experience gives us the perspective to create truly unique and valuable offerings to our customers. We’ve 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.
Evolve our security pentesting capabilities to test our internal and external facing processes, infrastructure, and applications. This position will be tasked with developing test plans to validate identified vulnerabilities and demonstrate the exploitation of the vulnerabilities. The ability to explain the exploit to senior level management is key to success in this role. Stay current with trends, techniques, and tools used by adversaries.
This position is located in Arlington, VA and is in office Monday through Thursday with work from home on Friday.
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, 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 cannot provide visa sponsorship for this position.
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CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing
CoStar Group (NASDAQ: CSGP) is a global leader in commercial real estate information, analytics, online marketplaces, and 3D digital twin technology. Founded in 1986, CoStar Group is dedicated to digitizing the world’s real estate, empowering all people to discover properties, insights, and connections that improve their businesses and lives. CoStar Group’s major brands include CoStar, a leading global provider of commercial real estate data, analytics, and news; LoopNet, the most trafficked commercial real estate marketplace; Apartments.com, the leading platform for apartment rentals; Homes.com, the fastest-growing residential real estate marketplace; and Domain, one of Australia’s leading property marketplaces. CoStar Group’s industry-leading brands also include Matterport, a leading spatial data company whose platform turns buildings into data to make every space more valuable and accessible, STR, a global leader in hospitality data and benchmarking; Ten-X, an online platform for commercial real estate auctions and negotiated bids; and OnTheMarket, a leading residential property portal in the United Kingdom. CoStar Group’s websites attracted over 143 million average monthly unique visitors in the third quarter of 2025, serving clients around the world. Headquartered in Arlington, Virginia, CoStar Group is committed to transforming the real estate industry through innovative technology and comprehensive market intelligence. From time to time, we plan to utilize our corporate website as a channel of distribution for material company information. For more information, visit CoStarGroup.com.
Offices: 1201 Wilson Blvd, Arlington, Virginia 22209, US · 181 Bay St, Suite 3420, Toronto, Ontario M5J, CA · 81, Rue Taitbout, Paris, Île-de-France 75009, FR · Calle de Serrano, 47, 13th Floor, Madrid, 28001, ES · 32 London Bridge, 26th Floor, The Shard, London, England SE1 9SG, GB
Based on 812 listings with disclosed salaries, most engineering jobs in Arlington, VA pay between $84k–$205k per year. Individual offers vary with seniority, company size, and specialization.
There are currently 1,125 open engineering positions in Arlington, VA listed on Clera. New openings are added daily as companies post roles.
Companies currently hiring include Amazon, Booz Allen Hamilton, CoStar Group, AECOM, TekSynap, among others. Browse the listings above to see every active employer.
Yes — 371 of the 1125 open engineering positions offer remote or hybrid work (100 remote, 271 hybrid).
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.
