PKI and Certificate Lifecycle Engineer (Clearance Required)
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Before you apply
Salary$98k – $135k
LocationBoulder, Colorado, United States
Work modeon-site
Typefull-time
SeniorityLead
Experience3+ yrs
DepartmentDefense, Intelligence, & Space Solutions
Company size501–1,000 people
PostedOct 19, 2026 · 2w ago
Verified live2d ago
At a glanceSummarised by Seekless from the posting.
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 and PKI management
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.
Detail oriented
Good verbal and written communication skills
Active Secret Clearance - TS/SCI strongly 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
Ability to work 100% on-site
U.S. citizenship required; no visa sponsorship available
Skills
PKI
HSM
TLS
LDAP
RHEL
Linux
Hashicorp Vault
Istio ServiceMesh
OpenShift
Kubernetes
STIGs
NIST 800-53
Benefits
401(k)
Health insurance
Dental insurance
Vision insurance
Life insurance
Long term disability
Short term disability
Profit sharing
Performance bonus
Parental leave
PTO
Flexible hours
About the company
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.
Legal
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.
About the role
SciTec has immediate opportunities for experienced Staff and Senior Staff Cybersecurity Engineers.
Responsibilities
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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.
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Implement and enforce PKI and secrets security controls, certificate policies, certificate practice statements, and cryptographic standards.
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Design, deploy, and support automated certificate management solutions.
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Manage cryptographic key generation, storage, rotation, escrow, and retirement processes as-needed.
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Troubleshoot and resolve certificate-related issues affecting network connections, Openshift configurations, and on-system root CA validation.
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Develop and maintain PKI architecture documentation, operational procedures, governance standards, and technical diagrams.
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Participate in security assessments, incident investigations, vulnerability remediation efforts, and infrastructure modernization initiatives.
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Other duties as assigned.
Requirements
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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
Nice to have
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
*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:
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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
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100% company paid Long-term Disability insurance
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Short-term Disability insurance
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Annual Profit-Sharing Plan
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Discretionary Performance Bonus
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Paid Parental Leave
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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 is proud to be an Equal Opportunity employer. VET/Disabled.