Application Security Engineer

About this role

Arcadia is the AI-powered energy intelligence platform for businesses. We replace fragmented tools and manual workflows with one platform to pay utility bills, buy energy, and advance sustainability — across every location, at enterprise scale.

Trusted by Fortune 2000 companies, Arcadia combines unified data, AI-powered analytics, and expert advisory to help enterprise teams save money, mitigate risk, and cut carbon.

We deliver this through three comprehensive solutions:

• Utility Bill Management: Automating the entire utility bill lifecycle — from data capture and validation to payment processing and auditing.

• Energy Procurement Advisory: Bringing together comprehensive data, AI-powered analytics, market expertise, and a strong partner network to make sophisticated procurement options accessible to all. .

• Sustainability Reporting — Verified emissions data with seamless integration into leading sustainability platforms.

Tackling the world's most complex energy challenges requires diverse thinking. We're building teams of people from different backgrounds, industries, and disciplines — united by a belief that energy management should be simple, intelligent, and a genuine driver of business value.

What we're looking for:

We are seeking a technically hands-on Application Security Engineer to join the Information Security team. This individual will own the vulnerability management lifecycle across our SAST, DAST, and SCA tooling, integrate security automation into the CI/CD pipeline, perform threat modeling of product and engineering designs, and serve as a trusted advisor to our 300+ person engineering organization. The ideal candidate is a builder who would rather automate a finding than file a ticket, and who can explain a critical vulnerability to a junior developer without making them feel two inches tall.

Arcadia is headquartered in Washington, DC, and open to fully remote candidates.

#LI-REMOTE

What you'll do:

• Own the end-to-end vulnerability management lifecycle: triage, prioritize, and drive remediation of findings from SAST, DAST, and SCA tooling in partnership with engineering squads.

• Maintain, optimize, and extend security tooling integrations within the CI/CD pipeline with the goal of automating everything that can be automated.

• Launch and run a Security Champions program, including workshops and office hours, to embed security knowledge directly into development teams across multiple geographies.

• Act as the application-layer subject matter expert during security incidents, supporting triage, root cause analysis, and remediation.

• Partner with Product and Engineering leadership to introduce security touchpoints earlier in the SDLC, including threat modeling and design review processes.

What will help you succeed:

Must-haves:

• 3–5 years of dedicated Application Security experience in a SaaS or cloud-native environment.

• Hands-on proficiency with at least two of the following: SAST, DAST, SCA, or CSPM tooling (e.g., Snyk, Checkmarx, Semgrep, Wiz).

• Strong working knowledge of CI/CD pipelines (e.g., GitHub Actions, Jenkins, GitLab CI) and the ability to write and maintain pipeline integrations.

• Experience with container security (Docker, Kubernetes) and API security patterns (REST, GraphQL).

• Demonstrated ability to communicate technical risk to non-security engineers in a way that drives action, not anxiety.

Nice-to-haves:

• Experience standing up or maturing a Security Champions program.

• Familiarity with cloud-native AWS security services (GuardDuty, Security Hub, IAM Access Analyzer).

• Exposure to threat modeling frameworks (STRIDE, PASTA, or lightweight equivalents).

• Relevant certifications (OSCP, GWAPT, CSSLP) — valued but not required.

Benefits:

• "Remote first" culture - work anywhere in the US as long as you have a reliable internet connection

• Flexible PTO - no accrued hours and no limit on the number of vacation days exempt employees can take each year

• 12 annual holidays

• 10 days sick leave

• Up to 4 weeks bereavement leave

• 2 volunteer days off

• 2 professional development days off

• 12 weeks paid parental leave for all parents

• 75-95% employer cost coverage for medical, dental, and vision benefits for employees and dependents

Eliminating carbon footprints, eliminating carbon copies.

Here at Arcadia, we cultivate diversity, celebrate individuality, and believe unique perspectives are key to our collective success in creating a clean energy future. Arcadia is committed to equal employment opportunities regardless of race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, protected veteran status, or any status…