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About TSR:

TSR is a relationship-based, customer-focused IT and technical services staffing company.

For over 40 years TSR, Inc. and its wholly owned subsidiary, TSR Consulting Services, have prospered in the Information Technology staffing business, earning the respect of companies both large and small with well refined candidate screening, timely placement, and a real understanding of the right skill sets required by our clients.

Mission & Vision

We do not believe in building a vision around the company but building a company around our vision, which is simply;

Every employee’s voice matters, their effort is appreciated, and their talent is rewarded.

We challenge each employee daily, to raise the bar on how we treat our consultants and candidates. For far too long in this industry, candidates have been ghosted, lied to, or placed at a client and then forgotten about. Each day our staff works tirelessly at qualifying and placing, top talent with our clients, in a compassionate and caring manner.

Not every candidate is a match for the job, but every candidate and consultant will be treated with respect and professionalism.

Public Key Infrastructure Engineer

Job Description

  • Location: Princeton, NJ
  • Type: Contract
  • Job #67538

Our client, a leading pharmaceutical company is hiring a Public Key Infrastructure Engineer on a contract basis.

Work Location

Princeton, NJ


• Practical understanding of Public Key Infrastructure including x509 certificates, SSL/TLS handshakes, certificate lifecycle management, Certificate Authorities

• Plan and execute software and/or infrastructure upgrades with minimal service disruption

• Effectively work directly with clients, team members, technical experts, professional staff, and management as needed to deliver new capabilities or provide operational support

• Integrate certificates into Enterprise infrastructures like VPN, LDAP, various web servers, and applications like Adobe, SAP, etc.

• Provide technical assistance to protect enterprise data and infrastructure using certificates and security protocols like SSL/TLS, etc.

• Experience in Venafi or KeyFactor PKI tools and services

• Working experience with encryption libraries like keytool, OpenSSL, networking tools like telnet, traceroute, and nslookup

• Working experience with Windows Server utilities like IIS, certificate snap-ins, Microsoft Certificate Services (ADCS, OCSP)

• Scripting experience (Bash, PowerShell, Python)

• Software development experience using a development tool such as Postman or Java

• Understanding of OOP principles, REST APIs, MVC architecture and Java frameworks (Spring)

• Understanding of load balancers, proxies, and end-to-end encryption architecture

• 8+ years of overall Information Technology experience

• Undergraduate degree, CISSP, NIST standards


3+ years with the following:
• Experience with Public Key Infrastructure
• Experience with certificate lifecycle management
• Understanding of X.509, RSA and general certificate management processes
• Planning and executing software and/or infrastructure upgrades
• Experience in Venafi or KeyFactor PKI tools and services
• Experience in one of the scripting (bash, JavaScript) and/or one of the programming languages (Java, Python, Perl)

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