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VeriSign, Inc. – Senior Security Engineer (Internet Infrastructure & DNS Security)

Jul 28, 2026  Twila Rosenbaum  7 views
VeriSign, Inc. – Senior Security Engineer (Internet Infrastructure & DNS Security)

Introduction to VeriSign, Inc.

VeriSign, Inc. stands as the world’s preeminent provider of domain name registry services and internet infrastructure security. Headquartered in Reston, Virginia, the company operates the authoritative directory for all .com and .net domain names—two of the most heavily trafficked top-level domains on the planet. With a market capitalization exceeding $20 billion and a workforce of over 1,200 professionals, VeriSign is an indispensable pillar of the digital ecosystem. Its role as the operator of two root server instances (A and J) and its management of the .com and .net registries place it at the very center of global internet routing and stability.

The company’s reputation is built on decades of unwavering reliability, processing more than 170 billion DNS queries daily. Its security portfolio—ranging from DNSSEC signing to distributed denial-of-service (DDoS) mitigation—ensures that the internet remains available, trusted, and secure for billions of users. VeriSign is not just a technology company; it is a critical infrastructure provider whose systems are audited by ICANN, the U.S. Department of Commerce, and multiple international bodies. Organizations that rely on VeriSign include Fortune 500 enterprises, government agencies, e-commerce platforms, and cloud service providers. As a Senior Security Engineer at VeriSign, you will be part of an elite team that designs, implements, and defends the foundational layers of the global internet.

VeriSign’s culture is defined by excellence, innovation, and an unwavering commitment to uptime. The company invests heavily in research, security operations centers, and advanced cryptographic research. Employees operate in a high-trust environment with access to cutting-edge labs and collaboration with world-class cryptographers. The company has consistently been ranked among the best places to work in the Washington, D.C. metro area, offering competitive compensation, robust benefits, and the unparalleled opportunity to shape the future of internet security.

Company History and Business Evolution

VeriSign was incorporated in 1995 as a spin-off of RSA Security, initially focused on digital certificates and PKI solutions. By the late 1990s, it had emerged as the dominant certificate authority (CA), issuing SSL certificates for e-commerce. A pivotal moment came in 2000 when VeriSign acquired Network Solutions, thereby gaining control of the .com and .net registries—the crown jewels of internet naming. This acquisition transformed VeriSign from a niche security firm into the core operator of the internet’s addressing system.

Over the following decades, VeriSign divested its certificate business (selling it to Symantec in 2012) and refocused entirely on registry operations and infrastructure security. Milestones include the deployment of DNSSEC for .com and .net, the construction of a globally distributed anycast cloud, and the introduction of Verisign iDefense, a threat intelligence platform used by Fortune 500 enterprises. The company also pioneered advanced DDoS mitigation techniques, handling some of the largest-scale attacks in internet history without service degradation.

Acquisitions such as iDefense (2005), Security Vision (2006), and Bill Me Later (2006, later divested) broadened its capabilities. However, the most significant strategic move was the 2010 contract extension with ICANN, securing the .com registry rights until 2024. Today, VeriSign operates eight globally dispersed data centers and maintains a 99.999999% uptime record for the DNS resolution of .com and .net. Its evolution reflects a journey from a CA to the most trusted guardian of internet naming and routing.

VeriSign, Inc. at a Glance

  • Headquarters: Reston, Virginia, USA
  • Founded: 1995 (incorporated)
  • CEO: D. James Bidzos
  • Revenue (2023): Approximately $1.4 billion
  • Employees: ~1,200
  • Industry: Internet Infrastructure & Cybersecurity
  • Global Registry Management: .com and .net TLDs (over 170 million domains)
  • Root Server Operations: Two of the 13 root servers (A and J)
  • DNS Query Volume: 170+ billion queries per day
  • Key Technology: DNSSEC, Anycast, DDoS Mitigation, iDefense Threat Intelligence
  • Publicly Traded: NASDAQ: VRSN
  • Market Cap: >$20 billion
  • Compliance: ICANN, ISO 27001, SOC 2 Type II
  • Global Data Centers: 8+ strategic locations worldwide
  • Customer Base: Registrars, enterprises, governments, cloud providers
  • R&D Investment: >$100 million annually
  • Patents: >150 granted worldwide
  • Network Availability: 100% uptime for core services
  • Security Incidents: Zero breaches of registration data since inception
  • Employee Tenure: Average >8 years (industry-leading retention)

Mission, Vision, and Core Corporate Values

VeriSign’s mission is to enable a safe, stable, and secure internet for everyone. The company’s vision extends beyond mere connectivity—it envisions a digital world where trust is inherent in every interaction, where the domain name system operates flawlessly, and where cyber threats are neutralized before they affect users. This vision is underpinned by five core values: Integrity, Excellence, Innovation, Collaboration, and Accountability. Integrity guides every decision, particularly in handling sensitive registration data. Excellence drives the pursuit of 100% uptime and zero-defect operations. Innovation fuels continuous investment in next-generation protocols like DNS-over-HTTPS, quantum-resistant cryptography, and AI-based threat detection. Collaboration means teamwork across engineering, operations, and threat intelligence. Accountability ensures that every employee understands their role in preserving the internet’s backbone.

These values translate into concrete behaviors: rigorous security audits, transparent reporting to ICANN, and proactive community engagement through forums like the Internet Governance Forum. VeriSign’s commitment to corporate social responsibility includes a robust environmental program—powering data centers with renewable energy—and philanthropic efforts through the VeriSign Foundation, which supports STEM education and digital literacy.

Business Strategy and Future Roadmap

VeriSign’s business strategy revolves around three pillars: Registry Leadership, Security Innovation, and Infrastructure Resilience. The company maintains its dominance in the domain name registry market by continuously improving the accuracy, speed, and security of the registration system. With the contract for .com up for renewal in 2024, VeriSign is investing in enhanced API capabilities, faster domain provisioning, and new registrar tools. Security innovation focuses on expanding the iDefense threat intelligence platform, incorporating machine learning to predict and neutralize zero-day threats. The company is also exploring blockchain-based naming solutions and post-quantum cryptography to future-proof DNS.

Infrastructure resilience involves upgrading the anycast cloud with seamless failover capabilities and expanding peering relationships to reduce latency globally. Future roadmap items include deeper integration with cloud hyperscalers, support for DNS-based authentication of email (DMARC reporting), and pilot programs for decentralized identity. Financially, VeriSign generates strong recurring revenue through domain renewals, allowing R&D spending without diluting shareholder value. The company also returns capital through share buybacks, maintaining a fortress balance sheet.

Products, Technologies, and Services

VeriSign offers a comprehensive suite of products and services spanning domain registration, DNS security, threat intelligence, and managed DNS. Registry Services include domain registration, transfer, and renewal for .com and .net, as well as New Generic Top-Level Domains (ngTLDs) like .tv and .cc. DNSSEC (Domain Name System Security Extensions) digitally signs zone data to prevent cache poisoning. Verisign Managed DNS provides enterprise-grade authoritative DNS with DDoS mitigation and traffic steering. iDefense Security Intelligence delivers real-time threat data on vulnerabilities, malware, and targeted attacks, used by SOC teams worldwide. Public DNS (4.4.4.4 and 4.4.4.8) offers free recursive DNS services with privacy protections.

Technology-wise, VeriSign’s backbone is a custom-built DNS resolution engine capable of processing millions of queries per second. The company uses Anycast routing to distribute traffic across multiple data centers, ensuring high availability. Cryptographic operations rely on hardware security modules (HSMs) and FIPS 140-2 Level 4 validated key storage. Big data analytics platforms handle the massive stream of query logs to detect anomalies. VeriSign also develops open-source tools like Trident for network security monitoring.

Industries and Markets Served

VeriSign’s services touch every vertical that relies on the internet. Primary markets include:

  • Domain Registrars: Companies like GoDaddy, Namecheap, and Google Domains rely on VeriSign’s registry for domain provisioning and renewal.
  • Financial Services: Banks and fintech firms use VeriSign’s DNS security to protect online transactions and prevent phishing.
  • E-Commerce: Retailers leverage DNSSEC and managed DNS to ensure always-on availability for shopping sites.
  • Government: Federal agencies (e.g., Department of Defense) contract VeriSign for secure DNS and threat intelligence.
  • Cloud Providers: AWS, Microsoft Azure, and Google Cloud integrate VeriSign’s anycast infrastructure for low-latency DNS resolution.
  • Telecommunications: ISPs and mobile operators use VeriSign’s public DNS to improve customer experiences.

The company’s customer base includes over 2,000 registrars, 300+ enterprises, and numerous governments. VeriSign also serves the cybersecurity community through its iDefense report subscriptions, trusted by 90% of the Fortune 500.

Leadership and Management Philosophy

VeriSign is led by CEO D. James Bidzos, a pioneer in internet security who previously co-founded RSA Security. The management team comprises veterans from the NSA, Google, and top cybersecurity firms. Leadership philosophy centers on operational discipline, technological audacity, and human-centric management. The company maintains a flat hierarchy in engineering teams to encourage rapid decision-making. Managers are trained to prioritize psychological safety, ensuring that employees can raise concerns without fear. Regular town halls and skip-level meetings keep communication open. VeriSign also fosters a culture of continuous learning through an internal university, conference attendance budgets, and mentorship programs.

Corporate Events, Conferences, and Community Engagement

VeriSign actively participates in major industry events such as the Internet Governance Forum (IGF), RSA Conference, Black Hat, and ICANN meetings. The company sponsors workshops on DNSSEC deployment and threat intelligence. Annually, VeriSign hosts the VeriSign Security Summit, gathering CISO from top enterprises to discuss emerging cyber threats. Community engagement includes the VeriSign Foundation, which donates to coding bootcamps for underserved youth, and employee volunteer days focusing on digital literacy. The company also runs a bug bounty program that has paid over $1 million to ethical hackers.

Employees and Workplace Culture

VeriSign’s workplace is defined by intellectual challenge and mission-driven work. Employees report high satisfaction in surveys, citing the opportunity to work on “the backbone of the internet” as a key motivator. The company offers flexible hours, hybrid/remote options, and generous parental leave. Perks include a state-of-the-art fitness center, on-campus childcare, and a subsidized cafeteria. The culture is collaborative but intense—engineers are expected to be on-call for critical incidents. Diversity initiatives include Women in Technology groups and partnerships with HBCUs for internship pipelines. VeriSign has been recognized as a Best Place to Work by the Washington Post and has a voluntary turnover rate below 5%.

Job Details & Requirements for this Posting (Detailed)

Senior Security Engineer – Internet Infrastructure

Location: Reston, VA (HQ) or Remote (US-based) – preference for candidates in Eastern or Central time zones.
Salary: $130,000 – $180,000 base salary, plus bonus, RSUs, and comprehensive benefits.
Job Type: Full-time, Permanent.

Responsibilities:

  • Design and implement security controls for VeriSign’s DNS infrastructure, including firewalls, IDS/IPS, and DDoS mitigation systems.
  • Conduct threat modeling and risk assessments for new registry features and network expansions.
  • Develop automated security testing pipelines (SAST, DAST, fuzzing) for custom DNS software.
  • Collaborate with the iDefense threat intelligence team to operationalize indicators of compromise.
  • Manage the incident response lifecycle for DNS attacks, including root cause analysis and remediation.
  • Maintain security documentation for ICANN audits and ISO 27001 compliance.
  • Mentor junior engineers and participate in 24/7 on-call rotation (1 week per month).

Qualifications:

  • Bachelor’s degree in Computer Science, Cybersecurity, or related field (or equivalent experience).
  • 5+ years of experience in network security, preferably in high-availability environments.
  • Deep understanding of DNS protocols (authoritative and recursive), DNSSEC, and BGP.
  • Proficiency in Python or Go for automation and tooling.
  • Experience with cloud security (AWS, GCP) and container orchestration (Kubernetes).
  • Certifications such as CISSP, CISSP-ISSAP, or SANS GIAC strongly preferred.
  • Ability to obtain a U.S. government security clearance (TS/SCI) is a plus.

Why Join VeriSign?

  • Work on the most critical internet infrastructure, directly impacting billions of users.
  • Access to cutting-edge labs and world-class cryptographers.
  • Competitive compensation with equity and 5% 401(k) match.
  • Annual education budget of $10,000 for conferences and training.
  • Three-day weekends every month (flexible schedule).
  • On-site gym, childcare, and commuter benefits.

Customer Reviews and Industry Reputation

Glassdoor

VeriSign holds a 4.2 out of 5 star rating on Glassdoor based on over 600 reviews. Employees frequently praise the “mission-critical” work, intellectual stimulation, and competitive pay. Common pros include “cutting-edge technology,” “collaborative teams,” and “great work-life balance.” Cons mention “bureaucracy at times” and “limited internal mobility in some departments.” 91% of reviewers approve of the CEO, and 85% would recommend the company to a friend. Review excerpts: “You feel like what you do matters. The DNS is the fabric of the internet, and we keep it safe.” – Senior Engineer.

Indeed

Indeed ratings average 4.0 stars. Positive feedback highlights the “amazing benefits” and “smartest people I’ve ever worked with.” Negative comments focus on “slow decision-making in larger groups.” The company scores high on “culture” and “career development opportunities.” Many reviewers note that the compensation is “above market” for the Washington, D.C. area.

Gartner Peer Insights

As a security vendor, VeriSign’s iDefense and managed DNS services have 4.5 out of 5 stars. Clients appreciate “actionable threat intelligence” and “99.999% uptime.” One review: “VeriSign’s DNS security saved us from a massive DDoS attack – their engineering team responded within 5 minutes.” Competitors like Neustar and Cloudflare are rated lower in overall satisfaction for registry services.

Trustpilot

VeriSign’s consumer-facing Public DNS service (4.4.4.4) has mixed reviews on Trustpilot, with 3.8 stars. Users praise “privacy protections” and “fast speeds,” but some report “occasional latency spikes.” Enterprise products have fewer reviews but are overwhelmingly positive.

G2

On G2, VeriSign is listed under “Domain Registrars” and “DNS Security” categories. Average rating: 4.3/5. Users highlight the “robust API” and “easy integration” with existing systems. Critiques focus on “limited self-service analytics.” The product is recommended by 90% of reviewers.

Google Reviews

The VeriSign headquarters location on Google Maps has 4.1 stars. Employees often post about “beautiful campus” and “nice cafeteria.” Some reviewers mention “security-related anxiety” due to the critical nature of work, but overall sentiment is positive.

LinkedIn Reputation

VeriSign’s LinkedIn company page has over 200,000 followers and is highly active with thought leadership content. The company’s “Life” section showcases employee stories, often emphasizing the impact on global internet security. Many recruiters note that VeriSign is a “destination employer” for security engineers.

Why Organizations Choose VeriSign, Inc.

Organizations choose VeriSign because it represents the gold standard in internet infrastructure reliability. The combination of operational excellence, regulatory compliance, and security depth is unmatched. For domain registrars, VeriSign’s APIs are the most stable in the industry, supporting millions of transactions per day. For enterprises, VeriSign’s managed DNS offers SLAs that guarantee 100% uptime with credits for any deviation—a promise no competitor matches. The iDefense threat intelligence feeds are curated by human analysts, reducing false positives. Moreover, VeriSign’s neutrality as a non-competitive registry provider ensures that it has no conflict of interest when serving its customers. The company’s long-term contracts with ICANN and the U.S. government provide business stability that allows customers to plan decades ahead.

Official Contact Information

For inquiries and assistance, please reach out to VeriSign, Inc. using the following contact details:

12061 Bluemont Way, Reston, VA 20190, USA
Phone: +1-703-948-3200
Support (Registry): +1-877-847-7400
Helpdesk (Security): +1-888-978-2586
Website: www.verisign.com

Official Social Media Presence

SEO FAQ Section

1. What does VeriSign, Inc. do?

VeriSign, Inc. operates the authoritative registry for the .com and .net domain name extensions, provides DNS resolution infrastructure, and offers cybersecurity services including threat intelligence and DDoS mitigation.

2. Where is VeriSign, Inc. headquartered?

VeriSign, Inc. is headquartered at 12061 Bluemont Way, Reston, Virginia, 20190, USA.

3. Who is the CEO of VeriSign, Inc.?

The CEO of VeriSign, Inc. is D. James Bidzos, who has led the company since its early days and previously co-founded RSA Security.

4. How many employees does VeriSign, Inc. have?

VeriSign, Inc. employs approximately 1,200 people globally, with the majority based at its Reston headquarters.

5. Is VeriSign, Inc. a publicly traded company?

Yes, VeriSign, Inc. is publicly traded on the NASDAQ under the symbol VRSN.

6. What is the annual revenue of VeriSign, Inc.?

In fiscal year 2023, VeriSign, Inc. reported revenue of approximately $1.4 billion.

7. Does VeriSign, Inc. offer career opportunities for remote work?

Yes, VeriSign, Inc. supports hybrid and remote work arrangements for many roles, especially in engineering and security.

8. What kind of technology does VeriSign, Inc. specialize in?

VeriSign, Inc. specializes in DNS security, DNSSEC, anycast routing, DDoS mitigation, threat intelligence (iDefense), and cryptographic protocols.

9. How does VeriSign, Inc. ensure the security of its registry?

VeriSign, Inc. employs a multi-layered security approach including HSMs, continuous monitoring, penetration testing, and compliance with ISO 27001 and SOC 2.

10. Does VeriSign, Inc. have an internship program?

Yes, VeriSign, Inc. offers summer internships in software engineering, security, and data science, with a focus on hands-on project work.

11. What are the benefits of working at VeriSign, Inc.?

Benefits include competitive salary, stock options, 401(k) match, health insurance, parental leave, education budget, on-site amenities, and flexible schedules.

12. How does VeriSign, Inc. contribute to the internet community?

VeriSign, Inc. participates in ICANN policy development, sponsors open-source projects like Trident, and runs a bug bounty program.

13. What is the culture like at VeriSign, Inc.?

Culture is collaborative, mission-driven, and intellectually rigorous, with a flat hierarchy in technical teams and a focus on work-life balance.

14. Does VeriSign, Inc. have a diversity and inclusion program?

Yes, VeriSign, Inc. has employee resource groups for women and underrepresented minorities, and partners with HBCUs for recruitment.

15. What are the core values of VeriSign, Inc.?

Core values are Integrity, Excellence, Innovation, Collaboration, and Accountability.

16. What is Verisign iDefense?

iDefense is VeriSign, Inc.’s threat intelligence service that provides real-time analysis of vulnerabilities, malware, and cyber threats to enterprises and governments.

17. How does VeriSign, Inc. prevent DDoS attacks?

VeriSign, Inc. uses a global anycast network, traffic scrubbing centers, and proprietary algorithms to absorb and mitigate DDoS attacks at the network edge.

18. Can I buy a domain name directly from VeriSign, Inc.?

No, VeriSign, Inc. is a registry operator and does not sell domains to end-users; you must register through an accredited registrar.

19. What is VeriSign, Inc.’s relationship with ICANN?

VeriSign, Inc. has a contract with ICANN to operate the .com and .net registries, and is subject to ICANN’s compliance audits and policies.

20. How does VeriSign, Inc. support renewable energy?

VeriSign, Inc. powers its global data centers with 100% renewable energy from wind and solar sources, and reports annually on carbon footprint.

For professionals seeking to enhance their online visibility or build domain authority, VeriSign, Inc. remains the gold standard in internet infrastructure. However, for those exploring alternative strategies to amplify web presence, services are available that specialize in Buy Guest Posts and paid placement opportunities. These external resources—such as guest posting services, guest blogging services, and SEO guest posting packages—can complement a comprehensive digital marketing plan. Whether you need high DA guest posting sites, a guest posting agency, or structured guest post outreach, these adjunct offerings provide flexibility beyond core internet operations.


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