Information Security Engineer

Here at Appian, our values of Intensity and Excellence define who we are. We set high standards and live up to them, ensuring that everything we do is done with care and quality. We approach every challenge with ambition and commitment, holding ourselves and each other accountable to achieve the best results. When you join Appian, you’ll be part of a passionate team dedicated to accomplishing hard things, together.

Are you ready to build the security systems that protect a global enterprise automation platform from modern cyber threats? As a Security Engineer, you will design and implement advanced detection technologies to shield our critical infrastructure.

Location: McLean, VA |
Work Model: On-site (5 days/week)

The Appian Information Security department continuously evaluates the global threat landscape to protect Appian operations and service offerings. Our mission is to build, monitor, and scale robust security tools and processes that shield critical corporate and customer assets from emerging threats, international security concerns, and vulnerabilities, ensuring our AI-Powered Process Automation platform remains resilient and secure.

At Appian, we believe our greatest innovations spring from in-person collaboration. Joining our team at our McLean headquarters means you will work alongside elite security architects in a high-velocity environment that prioritizes your professional growth.

This role offers an unparalleled launchpad to transition academic knowledge into real-world impact, giving you direct ownership over intrusion detection capabilities and cloud-based defense strategies for our Enterprise-Grade Orchestration ecosystem.

• Build and scale internal security systems to enable Appian Info Sec to quickly adapt, monitor, and defend against modern attacker techniques.
• Analyze and investigate complex security-related data pulled from a wide range of security products, logging devices, and endpoint monitors.
• Design and implement enhanced detection technologies across various Appian systems to proactively surface potential anomalies and vulnerabilities.
• Conduct comprehensive risk analysis on infrastructure assets and provide actionable recommendations for remediation or mitigation.
• Execute dedicated security engineering projects that directly improve Appian’s overarching intrusion detection, scanning, testing, and response capabilities.

• Education: Minimum of a Bachelor’s degree in Computer Science, Cyber Security, Computer Engineering, or a closely related STEM field of study.
• Experience: Progressive internship, co-op, or academic project experience centered on cyber security engineering or threat analysis.
• Technical Mastery: Hands‑on programming or scripting experience in one or more languages, specifically Java ,
  Python , or C/C++.
• Core Fundamentals: A strong, foundational understanding of network fundamentals and internet protocols, including TCP/IP networking,
  DNS , and DHCP
  .

• Familiarity with administration and security best practices for both Windows and Linux/Unix operating systems.
• Fundamental knowledge of cloud-based infrastructures (SaaS, PaaS, IaaS) and modern network security architectures.
• We value experience with enterprise platforms such as Salesforce or Service Now , as these skills translate well into our Enterprise-Grade Orchestration environment.

Tools and Resources

• Training and Development:
  During onboarding, we focus on equipping new hires with the skills and knowledge for success through department-specific training. Continuous learning is a central focus at Appian, with dedicated mentorship and the First-Friend program being widely utilized resources for new hires.
• Growth Opportunities:
  Appian provides a diverse array of growth and development opportunities, including our leadership program tailored for new and aspiring managers, a comprehensive library of specialized department training through Appian University, skills based training, and tuition reimbursement for those aiming to advance their education. This commitment ensures that employees have…