PKI and Certificate Lifecycle Engineer
- Salary
- $98,000 - $135,000 / year
- Level
- Mid
- Work type
- On-site · Boulder
- Visa
- Not offered
Open. First seen 20 October 2026.
About the role
SciTec, a Firefly Aerospace company, is a dynamic non-traditional defense contractor that delivers advanced technologies in support of U.S. National Security and Defense. For the past forty-five plus years, we have supported Department of Defense customers by developing innovative remote sensing algorithms, tools, and techniques to deliver world-class data exploitation capabilities supporting missile defense; intelligence, surveillance, & reconnaissance; space domain awareness; and aircraft survivability missions.
Important Notice: SciTec exclusively works on U.S. government contracts that require U.S. citizenship for all employees. SciTec cannot sponsor or assume sponsorship of employee work visas of any type. Further, U.S. citizenship is a requirement to obtain and keep a security clearance. Applicants that do not meet these requirements will not be considered.
SciTec has immediate opportunities for experienced Staff and Senior Staff Cybersecurity Engineers.
Responsibilities
- Manage and maintain enterprise PKI for on-prem environment, including root CA, Hardware Security Modules (HSMs), code signing certificates and validation.
- Oversee certificate lifecycle management, including issuance, renewal, revocation, and replacement of digital certificates for users, devices, applications, servers, cloud services, and network infrastructure.
- Implement and enforce PKI and secrets security controls, certificate policies, certificate practice statements, and cryptographic standards.
- Design, deploy, and support automated certificate management solutions.
- Manage cryptographic key generation, storage, rotation, escrow, and retirement processes as-needed.
- Troubleshoot and resolve certificate-related issues affecting network connections, Openshift configurations, and on-system root CA validation.
- Develop and maintain PKI architecture documentation, operational procedures, governance standards, and technical diagrams.
- Participate in security assessments, incident investigations, vulnerability remediation efforts, and infrastructure modernization initiatives.
- Other duties as assigned.
Requirements
- 3-5+ years of experience in PKI engineering, information security, cybersecurity, or infrastructure security.
- 2+ years of experience with hands-on management of TLS certificates, PKI management, and
- Hands-on experience with LDAP management
- Experience with certificate enrollment, issuance, renewal, revocation, and validation processes.
- Knowledge of Hardware Security Modules (HSMs) and cryptographic key management practices.
- 2+ years experience with basic system administration of RHEL and Linux
- Strong troubleshooting, analytical, and technical documentation skills.
- Active Secret Clearance - TS/SCI strongly preferred
- Ability to work 100% on-site
- Detail oriented
- Good verbal and written communication skills
SciTec's standard text
Candidates who have any of the following skills will be preferred:
- Experience analyzing and reviewing network connections and architecture
- Specific experience with Hashicorp Vault, Istio ServiceMesh, RHEL and OpenShift administration
- Kubernetes on-prem implementations
- Knowledge of STIGs and NIST 800-53 specifications
- Bachelor's degree or higher in related field
SciTec's standard text
*Resumes, Cover Letters, and Applications which are generated by AI will not be considered for employment.
Colorado Residents: In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information.
Benefits
SciTec offers a highly competitive salary and benefits package, including:
- 4% Safe Harbor 401(k) match
- 100% company paid HSA Medical insurance, with a choice of 2 buy-up options
- 80% company paid Dental insurance
- 100% company paid Vision insurance
- 100% company paid Life insurance
- 100% company paid Long-term Disability insurance
- Short-term Disability insurance
- Annual Profit-Sharing Plan
- Discretionary Performance Bonus
- Paid Parental Leave
- Generous Paid Time Off, including Holiday, Vacation, and Sick Pay
- Flexible work hours
The pay range for this position is $98,000 - $135,000 / year. SciTec considers several factors when extending an offer of employment, including but not limited to the role and associated responsibilities, a candidate's work experience, education/training, and key skills. This is not a guarantee of compensation.
SciTec's standard text
SciTec is proud to be an Equal Opportunity employer. VET/Disabled.
What this role asks for
Particular to this role
HashiCorp Vault · Istio · OpenShift
Rare in SciTec's other 43 open postings.
87% of this description is written for the role. The rest is SciTec's standard text, folded away below.
Compared with SciTec's other open jobs.
The team: Defense, Intelligence, & Space Solutions HIRES STEADILY
This role is one of 37 open in Defense, Intelligence, & Space Solutions. 20 were posted in the last 30 days and the oldest in April: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
Python (26 of 37), Kubernetes (21 of 37), Linux (20 of 37), Agile (18 of 37), C++ (16 of 37), CI/CD (16 of 37), Docker (14 of 37)
OTHER ROLES ON THIS TEAM
- Application Security Engineer posted Oct 20
- Associate / Staff Software Release Engineer posted Oct 20
- Staff / Senior Staff Test Automation Engineer (Clearance Required) posted Oct 20
- Technical Program Manager (Radar) posted Oct 19
- Project Control Analyst posted Oct 16
- Principal Software Engineer - Data Storage Domain Lead posted Oct 9
- Principal Software Engineer - Deployment Environments Domain Lead posted Oct 9
- Principal Software Engineer - Workload Communications Domain Lead posted Oct 9
- Principal Software Engineer - Deployment Environments Domain Lead posted Oct 9
- Principal Software Engineer - Workload Communications Domain Lead posted Oct 9
- Principal Software Engineer - Data Storage Domain Lead posted Oct 9
- Staff / Senior Staff Systems Engineer posted Oct 6
- System Security Architect (Clearance Required) posted Oct 5
- Platform Software Engineer posted Oct 2
- Senior Staff / Senior Numerical Algorithm Software Engineer posted Sep 30
- Associate / Staff Mission Data Analyst (Clearance Required) posted Sep 29
- Staff / Sr Staff C++ Software Engineer posted Sep 25
- Senior Staff / Senior Systems Engineer posted Sep 25
- Staff / Sr Staff Test Automation Engineer posted Sep 25
- Staff / Senior Staff Systems Engineer posted Sep 21
- Associate / Staff Digital Systems Engineer posted Sep 21
- Systems Engineering Lead posted Sep 21
- Sr Staff Software Engineer posted Sep 11
- Staff / Sr Staff Python Software Engineer posted Aug 27
- Staff / Senior Staff Test Automation Engineer (Clearance Required) posted Aug 24
- Sr Staff / Senior Software Engineer posted Aug 21
- Systems Engineer - Compute and Software Systems posted Aug 12
- Radar Systems Integration Engineer posted Aug 4
- Principal Radar Systems Engineer posted Aug 4
- Principal Linux System Administrator (Clearance Required) posted Aug 3
- Senior Numerical Algorithm Software Engineer posted Jul 29
- Lead Application Security Engineer posted Jul 20
- Senior Staff / Senior Machine Learning Engineer posted Jun 25
- Staff / Sr Staff Application Security Engineer posted Jun 1
- Staff / Sr Staff Numerical Algorithm Software Engineer posted May 15
- Staff / Sr Staff C++ Software Engineer posted Apr 16
From the team and dates on SciTec's own job board.
Similar jobs
- QA Platform Engineer at Black Canyon Consulting
Shares 5 skills: HashiCorp Vault, OpenShift, Istio… · same seniority · same country - Forward Deployed Engineer - Infrastructure at Thought Machine
Shares 5 skills: HashiCorp Vault, OpenShift, Istio… · same seniority · same country - Lead Security Architect – Cloud Platform & Network Security at Logos Space
Shares 5 skills: HashiCorp Vault, Istio, Cybersecurity… · same country - Sr. Software Engineer- Container Security at Illumio
Shares 5 skills: OpenShift, Istio, Cybersecurity… · same country - Systems Administrator - SME at Accenture Federal Services
Shares 4 skills: OpenShift, Cybersecurity, Linux… · same seniority · same country - Staff / Senior Staff Test Automation Engineer (Clearance Required) at SciTec
Also at this company
Is this your posting? Email info@careerholo.com to have it removed.