Information Security Engineer
Confirmed on the employer's own hiring board on Nov 10, 2026. First seen by Alion on Aug 25, 2026. Appian Corporation scores B on the Alion truth index.
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.
Information Security Engineer I
Location: McLean, VA | Work Model: On-site (5 days/week)
About the Team
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.
The Opportunity
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.
What You’ll Do
- Build and scale internal security systems to enable Appian InfoSec 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.
Required Qualifications
- 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.
Preferred Qualifications
- 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 ServiceNow, as these skills translate well into our Enterprise-Grade Orchestration environment.
The base salary range represents a good faith and reasonable estimate of the range at the time of posting. Actual compensation will be dependent on a number of factors including, but not limited to, the candidate’s relevant work experience, qualifications, internal peer equity, and market and business conditions that exist when extending an offer. A discretionary bonus may be awarded in recognition of individual and company performance.
In addition, Appian provides generous benefits offerings that include a 401(k) plan with company match, flexible time off, paid parental leave, medical, dental, and vision plans, life insurance, disability insurance, wellness programs, flexible spending accounts, health savings account contributions, an employee referral bonus program, and learning and development resources. Certain positions may be eligible for equity awards.
Pay and benefits are subject to change at any time, consistent with the terms of any applicable compensation, commission, bonus, or benefit plans.
Base Salary Range
$75,000—$175,000 USD
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 access to a holistic range of development opportunities.
- Community: We’ll immerse you into our community rooted in respect starting on day one. Appian fosters inclusivity through our 8 employee-led affinity groups. These groups help employees build stronger internal and external networks by planning social, educational, and outreach activities to connect with Appianites and larger initiatives throughout the company.
Benefits
Appian offers a comprehensive benefits package designed to support your health, wellbeing, and financial future. Benefits may include health coverage, Employee Assistance Program (EAP) with free mental health support, life and disability insurance, an Employee Stock Purchase Program (ESPP), a retirement/pension plan, wellness dollars, tuition reimbursement, family-forming benefits and more. Benefits vary by country-please ask your Talent Acquisition contact for details specific to the location you are applying to.
About Appian
Appian provides AI automation for the most important business processes at the world’s largest organizations. Our platform is known for its unique power, reliability, and scale. We’ve been automating processes for more than 25 years and have proven expertise in enterprise operations. For more information, visit appian.com.
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Appian is an equal opportunity employer that strives to attract and retain the best talent. All qualified applicants will receive consideration for employment without regard to any characteristic protected by applicable federal, state, or local law.
Appian provides reasonable accommodations to applicants in accordance with all applicable laws. If you need a reasonable accommodation for any part of the employment process, please contact us by email at [email protected]. Please note that only inquiries concerning a request for reasonable accommodation will be responded to from this email address.