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Added just now
Cybersecurity Engineer
Pueo Business Solutions LLC
McLean, VA
Relevant certifications such as Certified Kubernetes Administrator (CKA), Certified Kubernetes Security Specialist (CKS), GIAC Security Essentials Certification (GSEC), Red Hat Certified…
Added just now
Cybersecurity Engineer
Pueo Business Solutions LLC
McLean, VA
Relevant certifications such as Certified Kubernetes Administrator (CKA), Certified Kubernetes Security Specialist (CKS), GIAC Security Essentials Certification (GSEC), Red Hat Certified…
Added 2 mins ago
Software Dev Engineer I, Security Platform
Twitch Interactive, Inc.
Seattle, WA · Irvine, CA · San Francisco, CA
This role is ideal for an engineer who learns quickly, values operational excellence, and wants to see their work directly improve Twitch's security posture.
Added 2 mins ago
SC
Aviation Software Engineer
SITEC Consulting
Lexington Park, MD
- $100,000 to $135,000 USD / year
Understanding of secure coding principles, vulnerability analysis, and software security best practices.
Added 3 mins ago
O
Senior Platform Software Engineer - OCI
Oracle
Madison, WI
- $92,500 to $209,500 USD / year
Perform regular maintenance activities, including security updates, vulnerability remediation, certificate lifecycle operations, and platform upgrades while ensuring minimal customer impact.
Added 3 mins ago
Platform Infrastructure Engineer
Maximus
Madison, WI
Maximus is seeking a highly skilled individual to join our team as a Platform Infrastructure Engineer. You will be responsible for the deployment and maintenance of several platforms…
Added 13 mins ago
Application Security Engineer
Raydar
San Francisco, CA
- Strong grounding in application security fundamentals, including common web vulnerability classes, authentication and authorization, secure development lifecycle, secrets management,…
Added 13 mins ago
EC
Information Systems Security Engineer
Edgesource Corporation
Chantilly, VA
- $190,000 to $210,000 USD / year
Client is seeking an Information Systems Security Engineer to provide cybersecurity engineering and Assessment and Authorization support for the Sponsor's portfolio. The ISSE will integrate…
Added 15 mins ago
A
Senior Technical Consultant - CTEM / Vulnerability Management Engineer
AHEAD
Remote, United States
- $170,000 to $180,000 USD / year
Must be experienced in the Identify and Protect Security Functions, including but not limited to Continuous Threat Exposure Management (CTEM), vulnerability management, and secure…
Added 20 mins ago
Automation and Platform Hosting Systems Engineer
BAE Systems
Herndon, VA
…for critical military platforms and systems. Intelligence & Security provides services and products to the Department of Defense, the government, federal law enforcement officials, and…
Added 20 mins ago
C4PS-2510 Cybersecurity Engineer - Tactical Communications Systems - DEC 2026
C4 Planning Solutions, LLC
Camp Pendleton North, CA
Provides cybersecurity engineering, vulnerability management, and system hardening support for Marine Corps tactical communications systems, including MCWS-H/L, MCWS-X, SCAR, NGT, and LRS.…
Added 20 mins ago
Linux/Unix System Engineer Senior II
ASRC Federal
MD · VA · NC · FL · GA · CA · TX · AL · NV · KS · OR · IL
…capable of supporting mission-critical operations. As a Software Engineer Senior III, you will lead efforts to deliver software updates and manage complex Linux environments, ensuring…
Added 23 mins ago
O
Senior Platform Software Engineer - OCI
Oracle
Oklahoma City, OK
- $92,500 to $209,500 USD / year
Perform regular maintenance activities, including security updates, vulnerability remediation, certificate lifecycle operations, and platform upgrades while ensuring minimal customer impact.
Added 24 mins ago
Platform Infrastructure Engineer
Maximus
Oklahoma City, OK
Maximus is seeking a highly skilled individual to join our team as a Platform Infrastructure Engineer. You will be responsible for the deployment and maintenance of several platforms…
Added 34 mins ago
Information Systems Security Engineer (ISSE)
KGS LLC
Arlington, VA
We are seeking a Senior Information Systems Security Engineer (ISSE) to raise the security bar for a portfolio of classified national security systems. You will work backward from mission…
Added 35 mins ago
Full Stack .NET Developer
Quartz
Madison, WI
Contribute to secure software development lifecycle practices, including code reviews, automated testing, vulnerability management, and early identification of security risks.
Added 36 mins ago
Principal Cybersecurity Engineer
i3 Verticals
Remote, United States
As a Sr. Cybersecurity Engineer, you will be responsible for shaping, executing and maturing our organization's cybersecurity strategy. This role requires an experienced cybersecurity…
Added 37 mins ago
A
Senior Devops Engineer (100% Remote)
Actalent
Minneapolis, MN
- $75 to $85 USD / hour
Experience in security audits and vulnerability assessments.
Added 40 mins ago
Principal Cybersecurity Asset Intelligence
Cummins Talent Acquisition
Columbus, IN
…infrastructure. The manager serves as a coach and mentor to security professionals, builds operational processes aligned with best practices and industry standards, and partners with…
Added 44 mins ago
Senior Application Security Engineer
MBL Technologies
Washington, DC
MBL Technologies is seeking an experienced Senior Application Security Engineer to support application security testing and vulnerability management efforts for a federal government…
Added 44 mins ago
Baseline Security Engineer, Senior
MBL Technologies
Washington, DC
MBL Technologies is seeking an experienced Baseline Security Engineer, Senior to support cybersecurity engineering, vulnerability management, and compliance initiatives for a federal…
Added 52 mins ago
Senior DevSecOps Engineer
Synergy BIS
United States
The Senior DevSecOps Engineer is responsible for designing, securing, and optimizing cloud-native application platforms in AWS and Kubernetes environments. This role leads the…
Added 1 hour ago
Senior Software Engineer, AI/ML, Technical Delivery, Google Public Sector
Google
Reston, VA · Washington, DC
Experience working in a cybersecurity domain (e.g., security engineering, threat detection and response, vulnerability research, or cyber operations) and with containerization and…
Added 1 hour ago
AA
Cyber Security Engineer IV
Aether Aerospace
Boston, MA · Dayton, OH
- $128,413 to $182,000 USD / year
As a Cyber Security Engineer IV, you will monitor, analyze, and detect cyber events while supporting cyber defense initiatives and maintaining security toolsets for continuous monitoring…
Added 1 hour ago
Software Engineer IV
Potawatomi Federal Solutions, LLC
NC-Durham, NC
Command Cyber Solutions is seeking a Software Engineer IV to serve as the Application Development and Support Lead for our EPA BSMD proposal effort. This role provides technical leadership…

WRITER

Staff security engineer, application security

New York City, NY, United States
Seattle, WA, United States
San Francisco, CA, United States

$204,000 to $240,000 USD / year

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Job details

Pay: $204,000 to $240,000 USD / year
Posting language: English
Posted: Nov 3, 2026

Original job description

🚀 ABOUT WRITER

WRITER is the AI platform built for the world’s most ambitious marketing and revenue teams, bringing the frontier of AI to the people who drive enterprise growth. With WRITER, autonomous agents work across the buyer journey, continuously executing on market signals and enterprise intelligence to grow revenue faster. Every agent action and asset is grounded in trust, built on an Enterprise Brain that unites brand, product, and company knowledge with fiduciary-grade governance and compliance.

Fortune 500 companies are transforming how they go to market with WRITER, including 3 of the top 5 US banks, 2 of the 5 largest global CPG conglomerates, and 4 of the top 5 US healthcare insurers. Founded in 2020, WRITER is backed by investors including Insight Partners, ICONIQ, Radical Ventures, Premji Invest, Balderton, B Capital, Salesforce Ventures, Adobe Ventures, Accenture, Citi Ventures, IBM Ventures, WndrCo, and others. Learn more at WRITER.com http://WRITER.com.

📐 ABOUT THE ROLE

This is where security meets innovation at enterprise scale. As a staff security engineer, applications at WRITER, you'll be building the security foundations that protect the AI systems powering some of the world's most recognizable brands. You'll work at the intersection of application security, AI infrastructure, and developer enablement - partnering with engineering teams to embed security into every line of code while ensuring our platform remains both powerful and trustworthy.

The opportunity is massive: you'll help define how enterprise AI applications are secured, from threat modeling our LLM architectures to building automated security controls that scale across our growing platform. This isn't about saying "no" - it's about finding creative ways to say "yes, and here's how we do it securely." You'll tackle challenges that most security engineers never encounter: securing AI agents, protecting training data pipelines, and designing controls for systems that didn't exist a few years ago.

This role is hybrid from our New York City, San Francisco, or Seattle offices, reporting to the head of security engineering.

🦸🏻‍♀️ WHAT YOU'LL DO

Build security into the DNA of our AI platform by conducting threat modeling sessions with product teams, designing secure architectures for new features, and ensuring security considerations shape product decisions from day one - not after the fact
Own and evolve our application security program including establish and maintain SAST/DAST scanning in CI/CD pipelines, conducting security code reviews for critical changes, and building automation that catches vulnerabilities before they reach production
Partner with engineering teams to establish and champion secure coding standards, creating reusable security patterns and libraries that make it easier for developers to build securely by default
Design and recommend security features and products that help secure customer environments. You are the advocate and the vision for how we protect and secure customers..
Integrate and leverage AI agents to help increase velocity for the security team and the overarching engineering org to ensure that we are proactive in minimizing risk while we build products
Lead security assessments and penetration testing of WRITER's applications, AI services, and APIs, identifying vulnerabilities across our tech stack and working collaboratively with teams to remediate issues at scale
Design and implement security controls for protecting data pipelines, model training environments, and customer-facing AI agents
Stay ahead of emerging threats in the AI/ML security landscape, researching attack vectors specific to LLMs and generative AI, and proactively building defenses against novel risks

⭐️ WHAT YOU NEED

Minimum 4 years of hands-on experience in application security engineering, with a proven track record of securing large-scale production systems - bonus points if you've worked in fast-growing startups or high-growth environments
Understanding of developer experience and developer workflows for shipping features and products. You care deeply about reducing risk while considering velocity of engineers.
Technical expertise in at least two programming languages (Python, Java, Go, JavaScript/TypeScript) and the ability to read and review code across multiple languages, understanding both business logic and security implications
Knowledge of security tools and methodologies including SAST/DAST solutions, vulnerability management platforms, security testing frameworks, and DevSecOps practices - you know which tools to use and when automation beats manual review
Excellent communication skills that allow you to translate complex security concepts into clear recommendations for both technical and non-technical audiences - you can explain why something matters and motivate teams to action
A builder's mindset that looks for opportunities to automate, scale, and empower rather than create bottlenecks - you understand that security enables the business, not blocks it
Alignment with WRITER's values of Connect (building strong relationships across teams), Challenge (pushing the boundaries of what's possible in AI security), and Own (taking end-to-end responsibility for the security of our platform)
*This role is open to Mid, Sr. and Staff level candidates

🍩 Benefits & perks (US Full-time employees)

Generous PTO, plus company holidays
Medical, dental, and vision coverage for you and your family
Paid parental leave for all parents (16 weeks)
Fertility and family planning support
Early-detection cancer testing through Galleri https://www.galleri.com/partner/writer
Flexible spending account and dependent FSA options
Health savings account for eligible plans with company contribution
Annual work-life stipends for:
Wellness stipend for gym, massage/chiropractor, personal training, etc.
Learning and development stipend
Company-wide off-sites and team off-sites
Competitive compensation, company stock options and 401k

WRITER is an equal-opportunity employer and is committed to diversity. We don't make hiring or employment decisions based on race, color, religion, creed, gender, national origin, age, disability, veteran status, marital status, pregnancy, sex, gender expression or identity, sexual orientation, citizenship, or any other basis protected by applicable local, state or federal law. Under the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.

By submitting your application on the application page, you acknowledge and agree to WRITER's Global Candidate Privacy Notice https://writer.com/legal/candidate-privacy-notice/.

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More about this job

Skills

Regulatory compliance
CI/CD
Building automation
ML
Programming languages
Python
Oracle Java
Go
JavaScript
TypeScript
Communication skills

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