Sr. Security Engineer

Atlanta, GA, US • Posted 7 hours ago • Updated 7 hours ago
Full Time
On-site
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Job Details

Skills

  • Authentication
  • Build Automation
  • Continuous Integration
  • Continuous Delivery
  • Incident Management
  • Encryption
  • Reporting
  • Scalability
  • Computer Science
  • Cyber Security
  • Lifecycle Management
  • Microsoft
  • TLS
  • SSL
  • Scripting
  • Workflow
  • Cloud Computing
  • Amazon Web Services
  • Microsoft Azure
  • Regulatory Compliance
  • PCI DSS
  • Management
  • Communication
  • PKI
  • Security Engineering
  • Cryptography
  • Testing
  • Risk Analysis
  • Collaboration
  • Artificial Intelligence

Summary

Join a high-impact security engineering team focused on strengthening enterprise certificate and Public Key Infrastructure (PKI) services for a large, complex environment. This role is ideal for someone who enjoys improving resilience, driving automation, and partnering across teams to support secure authentication, encryption, and certificate lifecycle management.
Responsibilities
  • Design, operate, and improve PKI and certificate management services to support secure enterprise operations
  • Help ensure infrastructure availability, resiliency, and timely patching of security platforms
  • Manage certificate issuance, renewal, revocation, and lifecycle activities across applications and infrastructure
  • Support trust store maintenance, certificate chain integrity, and large-scale certificate environments
  • Build automation and tooling to streamline certificate lifecycle processes and reduce manual effort
  • Integrate PKI services with CI/CD pipelines, cloud services, and enterprise applications
  • Deploy and support tools and connectors that enable scalable certificate operations
  • Help define and maintain standards for certificate usage, validity, and cryptographic requirements
  • Partner with technical teams to onboard applications and improve ownership and support models
  • Identify and address risks related to expiring certificates, misconfigurations, and trust issues
  • Support incident response efforts involving encryption, certificates, or related security concerns
  • Improve reporting and visibility into certificate health, compliance, and operational status
  • Contribute to modernization efforts for PKI architecture, tooling, and emerging cryptographic practices
  • Evaluate solutions that improve scalability, resilience, and security outcomes
Skills
  • Bachelor's degree in Computer Science, Cybersecurity, or a related field, or equivalent experience
  • 3-7+ years of experience in PKI, cybersecurity engineering, or infrastructure security
  • Hands-on experience with certificate lifecycle management
  • Experience with PKI platforms and tools such as Venafi, DigiCert, Microsoft CA, or AWS ACM
  • Strong understanding of TLS/SSL, cryptographic principles, and key management
  • Experience with HSMs and key custody operations
  • Ability to develop automation using APIs, scripting, or pipeline-based workflows
  • Working knowledge of cloud certificate services in AWS or Azure
  • Familiarity with compliance frameworks such as NIST, PCI-DSS, CMMC, or TSA-related requirements
  • Experience supporting PKI at scale in enterprise environments
  • Understanding of trust store management across distributed systems
  • Strong troubleshooting, communication, and collaboration skills
Preferred Skills
  • Experience supporting modernization or automation initiatives within PKI or security engineering
  • Familiarity with post-quantum cryptography concepts and adoption planning
  • Experience working with security policies, standards, and operational governance
  • Ability to document processes, create technical reports, and support cross-functional teams
  • Background in vulnerability testing, risk analysis, or security assessments

Horizontal is committed to building an inclusive and welcoming environment where different perspectives are valued and everyone has the opportunity to contribute and succeed. We encourage candidates from all backgrounds to apply and welcome applicants who share a commitment to equity, collaboration, and respect.

By applying for this position, you acknowledge and agree that Horizontal Talent may contact you regarding your application using automated technology, including phone calls, SMS/text messages, or email, which may be delivered by our virtual AI recruiter, Alex.
Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.
  • Dice Id: 10123528
  • Position Id: 76894
  • Posted 7 hours ago

Company Info

About Horizontal Talent

Horizontal Integration offers two service lines. Our staffing agency places IT, digital and creative talent in both contract and permanent roles. Our digital agency provides digital marketing strategy and technology consulting on a project basis. Many of our clients take advantage of both service lines.

We are a certified Minority Business Enterprise, with more than 200 employees across our offices in Minneapolis, Denver, Dallas and Vadodara, India. We ve been consistently growing and profitable since the company was founded in 2003.

Honors:
Recognized as a "2009 Best Place to Work" by Minneapolis/St.Paul Business Journal.

Fact:
Our people and our organization are deeply rooted in IT and interactive marketing.

Horizontal is proud to be an Equal Opportunity and Affirmative Action Employer. We seek to provide employment opportunities to talented, qualified candidates regardless of race, color, sex/gender including gender identity and/or expression, national origin, religion, sexual orientation, disability, marital status, citizen status, veteran status, or any other protected classification under federal, state or local law.

In addition, Horizontal will provide reasonable accommodations for qualified individuals with disabilities. If you need to request a reasonable accommodation in order to complete the application or interview process, please contact us. All applicants applying must be legally authorized to work in the country of employment.

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Ishan Ghag

Recruiter @ Horizontal Talent

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