Staff Security Engineer

As a Staff Security Engineer, you will be a valuable member of the IT and Information Security teams, managing and improving the organizational security posture. You will help protect sensitive data by implementing and continuously monitoring a secure cloud architecture. You will work with the security toolchain in cloud environments and support the development of security best practices and standards. Your responsibilities will also include managing vulnerability scanning and remediation efforts, responding to security alerts under supervision, and leading in root cause analysis. You will own the DAST and SAST solutions and be a key member of the incident response processes, tracking cyber actions from initial detection to final resolution.

Job responsibilities - How You Will Make an Impact

• Analyze the organizational security posture and pursue improvements on a continuous basis
• Implement and manage security solutions and controls for cloud-based infrastructure, platforms, and applications
• Administer and harden identity and access management through Okta, including SSO, MFA, lifecycle automation, and conditional access policies. privilege IAM, network segmentation, and cloud security posture management(CSPM)
• Tighten then the IT team to broaden the Zero Trust framework
• Collaborate with cross-functional teams, including DevOps, IT, and development teams, to integrate security into the software development lifecycle (SDLC) and DevSecOps practices
• Own remediation of security assessment findings and ensure identified control gaps are tracked, implemented, validated and documented through closure.
• K8s line to admission control, RBAC, pod hardening, and runtime sensors on EKS
• Own secure code review practices on GitHub, including branch protection rules, required status checks, GitHub Advanced Security (secret scanning, CodeQL,Dependabot), and pull request security gates.
• Build and maintain CI/CD pipelines with integrated security scanning (SAST, DAST,SCA, container image scanning) so vulnerabilities are caught before production.
• Lead and maintain SOC 2 (Type I/II) and CMMC compliance efforts: control implementation, evidence collection, audit readiness, and coordination with auditors.
• Run continuous vulnerability monitoring and management across cloud, endpoints, and applications, triaging findings and driving remediation with engineering teams against SLAs
• CrowdStrike Falcon end to end: EDR, incident response, detections and queries in NG-SIEM, Spotlight vulnerability program with reporting. AF, DDoS protection, DNS security, bot management, and Zero Trust network access.
• Maintain infrastructure as code (Terraform, CloudFormation/ARM/Bicep) with security policy-as-code checks baked into deployment pipelines.
• Monitor for security incidents, respond to alerts, and support incident response and root-cause analysis.
• Terraform in production: security posture on terraform-aws IAM, S3, ECR, and SG 
• Scripting in Python or Go plus Bash. DAST automation, Okta sync, S3 auto-remediation, and CVE fixes in services
• Third-party risk: reviewing new vendors and tools before purchase, like the Pipl and CodePunch reviews
• Conduct security assessments and audits of cloud environments to identify and remediate security vulnerabilities and misconfigurations
• Respond to security alerts and conduct root cause analysis
• Perform incident response and track cyber actions from initial detection to final resolution

Requirements

What We Are Looking For

• 10+ years of experience in Security and Cloud Operations
• Strong written and oral communication skills
• Hands-on experience with AWS and Azure
• Direct experience with intrusion prevention systems
• Experience with system logging and SIEM technologies
• Experience with cloud native security tools (e.g., IAM, WAF)
• Knowledge of incident response processes and practices
• Hands-on experience with vulnerability management tools, technologies, and methods
• Proven ability to integrate security practices into IT and/or DevOps environments
• Experience streamlining security processes

Nice To Have:

• Knowledge of Python and Golang
• AWS Certified Security – Specialty (or AWS Solutions Architect Professional)
• Microsoft Certified: Azure Security Engineer Associate (AZ-500) or Cybersecurity Architect Expert (SC-100)
• ISC2 Certified Cloud Security Professional (CCSP) or CISSP
• Experience working with government customers, particularly within the U.S. Department of Defense (DoD) or other federal environments, including familiarity with government security and compliance requirements.
  
  

Primer works closely with the U.S. defense and intelligence establishment. Any offer of employment is conditioned on an applicant or employee being able to meet any applicable government contract requirements. The company may rescind any offer of employment to an applicant or terminate an employee if the applicant or employee is unable to perform the functions of the position in compliance with applicable government contracts or if an applicant or employee makes a false attestation of compliance.

Benefits

What We Offer
At Primer, we are building innovative technology with a team of talented, passionate individuals who are driven to make an impact. As a Series D-funded company backed by leading investors, including Addition, USIT, Lux Capital, Amplify Partners, and Bloomberg Beta, we are committed to fostering a diverse, inclusive, and collaborative workplace where different perspectives and expertise drive innovation.

We believe great work starts with taking care of our people. We prioritize employee well-being, work-life balance, and a culture that encourages flexibility, professional growth, and sustainable performance. Our goal is to create an environment where every team member feels supported, valued, and empowered to do their best work.
We offer competitive compensation and a comprehensive benefits package designed to support our employees and their families, including:

• Health & Wellness: Comprehensive medical, dental, and vision coverage, along with One Medical membership.
• Mental Health Support: On-demand mental health and well-being resources through Headspace Care+.
• Family & Fertility Benefits: Fertility and family-building support through Carrot, along with 100% paid parental leave.
• Fitness & Well-Being: Access to fitness and wellness programs through Wellhub (formerly Gympass).
• Work-Life Balance: Flexible vacation policy, dedicated Wellness Days, and a culture that encourages employees to recharge.
• Financial Wellness: Competitive compensation and a 401(k)-retirement savings plan.
• Remote Work Support: Remote work stipends and a monthly internet allowance to help employees stay connected and productive.

At Primer, we're committed to creating a workplace where our people can grow, thrive, and make a meaningful impact while maintaining a healthy balance between work and life.