Security Engineer
Location – Philadelphia, PA (on-site 3-4 days a week)
candidate - must be able to work EST hours
Some feedback received - resumes rejected had experience in Security but not in software engineering and experience executing projects using agile methodologies.
This is with XPKI - Xfinity public key infrastructure Comcast Cybersecurity Group - fall under CSSE (cybersecurity and software engineering) group builds software to support security - highly scalable large applications
Team responsible for building and operating software
75% of the time technical, experience with cybersecurity, PKI, 25% looking for a Scrum master - Agile; familiar with Jira, Confluence
running the Agile ceremonies, Scrum, ensuring delivery according to timelines
product is mature, they are onboarding additional partners to the platform so must have Cybersecurity PKI background; meet with app teams and help to onboard onto the platform - needs an SME
minimum of 3 years hands on experience in Cybersecurity, PKI, infrastructure domain
Must have PKI Cybersecurity Standards experience
Must also have Software Development skills - will act as a SME to onboard the new partners to the platform
SAFE experience
Any Cybersecurity cert also a plus
Job Responsibilities:
• Provide L1/L2 technical support for PKI services, including certificate management and security protocols.
• Manage partner onboarding and user administration on Comcast PKI.
• Troubleshoot issues related to digital certificates, SSL/TLS, code signing, and client authentication.
• Support certificate lifecycle management, including issuance, renewal, and revocation.
• Monitor and work with DevOps to maintain PKI environments, ensuring high availability and security compliance.
• Respond to technical incidents, service requests, and provide root cause analysis.
• Document troubleshooting processes and technical configurations
• Lead PKI-related projects using Agile frameworks (Scrum, Kanban).
• Plan, execute, and monitor project tasks, deliverables, and deadlines.
• Collaborate with cross-functional teams, vendors, and stakeholders.
• Facilitate Agile ceremonies such as sprint planning, daily standups, and retrospectives.
• Ensure project documentation, risk assessments, and reports are up-to-date.
• Work with project team to create and maintain comprehensive project documentation
Skills:
• Proficiency in Agile tools (e.g., Jira, Confluence) and frameworks (e.g., Scrum, SAFe).
• Have great communication skills which include verbal, email and power point presentations
• Knowledge of PKI concepts, including certificate authorities, cryptographic protocols, and HSM-based solutions.
Required Experience:
• 3+ years of experience in cybersecurity, PKI, or IT infrastructure.
• 1+ years of experience in Agile project management (Scrum Master or Agile certifications a plus).
• Strong knowledge of PKI concepts: certificate authorities, SSL/TLS, OCSP, CRLs, and key management.
• Familiarity with PKI tools such as Microsoft CA, OpenSSL, KeyFactor, or DigiCert.
• Experience with certificate lifecycle management platforms.
• Ability to troubleshoot and resolve technical issues related to certificates and system integrations.
• Basic knowledge of network protocols ( TCP/IP).
• Experience creating user stories, sprint planning, grooming and managing product backlog.
• Proven track record of delivering IT security projects.
• Strong understanding of project management tools like Jira, Trello, or Azure DevOps.
• Experience in vendor management and cross-team collaboration.
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