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Contract Security Engineer Ubuntu Jobs in Missouri

Radyant Inc.

Azure Cloud Engineer

Kansas City, MO · On-site

$54.25 - $72.50/hr

Multiyear Contract Security Clearance: [ship with Public trust / Secret / Top Secret -- Required] Responsibilities: We are looking for Azure Cloud Engineers with experience integrating data from ...

CACI

Lead Firewall Engineer with Security Clearance

Arnold, MO · On-site

$42.25 - $56.75/hr

Lead Firewall Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance ... contract and government leadership • Coordinate issues with the appropriate stakeholders to ...

Cognizant Technologies

C++ developer

Saint Louis, MO · On-site

$47.75 - $64.25/hr

Louis, MO Duration: 6+ Months Contract ONLY EAD GC, GC OR USC. Qualifications We are seeking C/C ... Ubuntu 14.04/16.04 CentOS/RHEL 7.x OpenSUSE OpenStack experience is a plus Bash/shell scripting ...

CACI International, Inc.

Lead Firewall Engineer

Arnold, MO · On-site

$42.25 - $56.75/hr

... contract and government leadership • Coordinate issues with the appropriate stakeholders to ... Qualifications: • Security Clearance: Active TS/SCI * 8+ years related technical experience ...

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All JobsContract Security Engineer Ubuntu JobsContract Security Engineer Ubuntu Jobs in Missouri

Contract Security Engineer Ubuntu information

What is the difference between Contract Security Engineer Ubuntu vs Contract Security Analyst?

AspectContract Security Engineer UbuntuContract Security Analyst
CertificationsCompTIA Security+, CISSP, CEHCompTIA Security+, CISSP, CISA
Work EnvironmentLinux-based systems, cybersecurity teams, technical rolesSecurity monitoring, risk assessment, policy development
Employer & IndustryTech companies, government agencies, cybersecurity firmsFinancial institutions, government, consulting firms

The Contract Security Engineer Ubuntu primarily focuses on securing Linux systems, especially Ubuntu, through technical implementation and system hardening. In contrast, the Contract Security Analyst emphasizes analyzing security risks, monitoring threats, and developing security policies. Both roles require similar certifications and often work within cybersecurity teams, but their daily tasks and focus areas differ significantly.

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Contract Security Engineer Ubuntu jobs near you

Application Security Engineer

Stellar IT Group

Saint Louis, MO • On-site

$57 - $76.25/hr

Contractor

Posted 16 days ago

Job description

Overview:
Position: Application Security Engineer (Senior AppSec)
Location: Remote
Duration: 6-12+ Months Contract
Role Overview
We are seeking experienced Senior Application Security Engineers to join our team and play a critical role in validating AI-generated vulnerability findings and translating them into actionable technical remediation. This position requires strong expertise in application and product security, combined with a deep understanding of how vulnerabilities map to code and how developers remediate them in production environments. The ideal candidate will have a background as a software engineer who transitioned into AppSec, bringing both security insight and practical development knowledge.
Key Responsibilities
  • Validate AI-generated vulnerability findings (e.g., from Anthropic's Mythos) and assess exploitability, severity, and business impact.
  • Trace vulnerabilities to their technical root cause at the code level.
  • Collaborate with development teams to design and implement secure remediation strategies.
  • Conduct secure code reviews, threat modeling, and vulnerability assessments.
  • Define and enforce secure SDLC practices across product teams.
  • Provide guidance on API security, OWASP Top 10 risks, and secure design principles.
  • Partner with product owners and engineering teams to ensure vulnerabilities are remediated effectively and deployed safely.
  • Document findings, remediation steps, and best practices to strengthen organizational security posture.
Required Skills
  • Strong background in Application Security / Product Security.
  • Hands-on experience with OWASP Top 10, SAST, vulnerability assessment, secure SDLC, threat modeling, code review, API security.
  • Ability to validate findings, assess severity, and trace vulnerabilities to root cause.
  • Experience working directly with developers to remediate vulnerabilities.
  • Strong communication skills to bridge security and engineering teams.
Ideal Profile
  • A software engineer turned AppSec professional - someone who understands both the security problem and how developers actually fix it.
  • Proven ability to work across multiple product teams, enabling secure development practices.
  • Experience with modern CI/CD pipelines and integrating security tooling into developer workflows.

Skills:
Vulnerability,threat,security

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