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Senior Endpoint Engineer Jobs in Missouri (NOW HIRING)

Endpoint Security Engineer III Job Category: Information Technology Time Type: Full time Minimum ... to senior management and customers Experience with plans, designs, and evaluations of security ...

Senior Solutions Architect - Cybersecurity (Remote - California) Full-Time, Part-Time, or Contract ... Endpoint security and XDR deployments (CrowdStrike, Microsoft Defender, others) * SIEM/SOC ...

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Senior Systems Engineer (SAS)

Saint Louis, MO · On-site

$97K - $134K/yr

Senior Systems Engineer (SAS) Location: St. Louis, MO Clearance: TS/SCI Citizenship: US Citizenship ... Agent Health - Monitoring beacon servers and agent health on endpoint devices * Ensuring the ...

Senior Systems Engineer (SAS)

Saint Louis, MO · On-site

$97K - $134K/yr

Senior Systems Engineer (SAS) Location: St. Louis, MO Clearance: TS/SCI Citizenship: US Citizenship ... Agent Health - Monitoring beacon servers and agent health on endpoint devices * Ensuring the ...

Remote Full Time Individual Contributor +5 Years of Experience Senior Corporate IT Engineer Who We ... Device and endpoint management - own the MDM platform (Jamf, Intune, or Kandji) for a distributed ...

Senior VDI Engineer

Arnold, MO · On-site

$92K - $126K/yr

Offers endpoint support on issues and trouble resolution tasks on Virtual Desktop related tasks ... Progressive roles from Administrator to Sr. Engineer. * Citrix Virtual Apps and Desktops v7.15 and ...

Sr. Infrastructure Engineer

Kansas City, MO · On-site

$105K - $143K/yr

Advantage Tech is searching for a Sr. InfrastructureEngineer to join their client's team in ... Maintain firewall rules, endpoint protection, and network access controls. * Assist with security ...

MSP Security Engineer

California, MO · On-site

$90 - $120/hr

Help manage the full security toolset (endpoint protection, email security, MFA, vulnerability ... Collaborate with senior engineers to translate security plans into executed work Required ...

Senior Cybersecurity Engineer

Saint Louis, MO · On-site

$99K - $135K/yr

The Role We Want You For Under the direction of the SOC Manager, the Sr. Cybersecurity Engineer is ... Endpoint, Network, and Cloud/SaaS DLP Platforms * Host-based DLP Agents and CASB Connectors

Senior Cybersecurity Engineer

Saint Louis, MO · On-site

$99K - $135K/yr

The Role We Want You For Under the direction of the SOC Manager, the Sr. Cybersecurity Engineer is ... Endpoint, Network, and Cloud/SaaS DLP Platforms * Host-based DLP Agents and CASB Connectors

Senior Cybersecurity Engineer

Saint Louis, MO · On-site

$99K - $135K/yr

The Role We Want You For Under the direction of the SOC Manager, the Sr. Cybersecurity Engineer is ... Endpoint, Network, and Cloud/SaaS DLP Platforms * Host-based DLP Agents and CASB Connectors

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Senior Endpoint Engineer information

What does a senior endpoint engineer do?

A Senior Endpoint Engineer is responsible for managing, securing, and maintaining an organization's endpoint devices, such as laptops, desktops, and mobile devices. They design, implement, and support endpoint management solutions to ensure devices remain secure, compliant, and up-to-date. Their role often includes deploying software, troubleshooting device issues, enforcing security policies, and collaborating with IT and security teams to protect company data. They also stay updated on the latest threats and technologies to continually improve endpoint security and management.

What are the key skills and qualifications needed to thrive as a senior endpoint engineer, and why are they important?

To thrive as a Senior Endpoint Engineer, you need advanced knowledge of endpoint security, device management, and operating systems, typically supported by a bachelor’s degree in IT or a related field. Expertise in tools like Microsoft Endpoint Manager (Intune), SCCM, JAMF, and relevant security certifications such as CompTIA Security+ or Microsoft Certified: Security, Compliance, and Identity Fundamentals are often required. Strong problem-solving skills, attention to detail, and effective communication help you excel in diagnosing issues and collaborating with teams. These skills ensure secure, efficient management of devices across an organization, protecting data and supporting operational continuity.

What are some common challenges faced by senior endpoint engineers in managing a large-scale device environment?

Senior Endpoint Engineers often encounter challenges such as ensuring consistent security policy enforcement, managing diverse operating systems and device types, and keeping up with frequent software updates across thousands of endpoints. Balancing streamlined user experience with strict security requirements can also be demanding. Effective collaboration with IT support, security teams, and end users is crucial to quickly resolve issues and maintain device compliance across the organization.

What is the difference between Senior Endpoint Engineer vs Endpoint Security Specialist?

AspectSenior Endpoint EngineerEndpoint Security Specialist
CredentialsBS in Computer Science, Networking certifications (e.g., CompTIA Security+)Certifications in cybersecurity (e.g., CISSP, CompTIA Security+)
Work EnvironmentIT teams, network infrastructure, system deploymentSecurity teams, threat analysis, incident response
Industry UsageIT departments across various industriesCybersecurity firms, enterprise security teams
Common Search IntentTechnical endpoint management and deploymentSecurity threats, malware prevention, incident handling

While both roles focus on endpoints, the Senior Endpoint Engineer primarily manages endpoint deployment, configuration, and maintenance. In contrast, the Endpoint Security Specialist concentrates on protecting endpoints from security threats and managing security protocols. Both roles often collaborate but serve different core functions within an organization's IT and security teams.

What are the most commonly searched types of Endpoint Engineer jobs in Missouri?

The most popular types of Endpoint Engineer jobs in Missouri are:

What are popular job titles related to Senior Endpoint Engineer jobs in Missouri?

For Senior Endpoint Engineer jobs in Missouri, the most frequently searched job titles are:

What job categories do people searching Senior Endpoint Engineer jobs in Missouri look for?

The top searched job categories for Senior Endpoint Engineer jobs in Missouri are:

What cities in Missouri are hiring for Senior Endpoint Engineer jobs?

Cities in Missouri with the most Senior Endpoint Engineer job openings:

Infographic showing various Senior Endpoint Engineer job openings in Missouri as of August 2026, with employment types broken down into 89% Full Time, 8% Part Time, and 3% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution.

Endpoint Security Engineer III - Nessus

CACI

Saint Louis, MO • On-site

Full-time

Medical, Retirement, PTO

Posted 4 days ago


Job description

Job Title: Endpoint Security Engineer III - Nessus Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local * * * The Opportunity: CACI has an exciting opportunity for a Senior Endpoint Security Engineer to join our Transport & Cybersecurity Services (TCS) team in either Springfield, VA or St. Louis, MO. Our Endpoint Security team is rapidly growing.

This is one of several New positions that we have added to the TCS program. This is an exceptional opportunity for a TS/SCI cleared professional to join an incredibly talented team, work with cutting edge technologies, and propel your career within the Cyber realm. TCS is a long-term, CACI Prime contract with the National Geospatial-Intelligence Agency (NGA) in support of the customer's GEOINT mission.

The Endpoint Security Engineer will support our Intelligence Community customer's various endpoint security platforms. Positions on TCS require a TS/SCI clearance to be eligible for hire; with the ability to successfully pass a Government polygraph as a post-hire requirement. Position Overview: We are seeking a highly skilled Tenable product Administrator with hands-on experience in Linux platforms to join our team.

The ideal candidate will be responsible for managing and administering our Tenable Suite environment, as well as configuring and maintaining them on Linux systems. This role requires a deep understanding of vulnerability management, security protocols, and the Tenable product suite, with a strong focus on Linux-based installations. Responsibilities: Install, configure, and maintain the Tenable Security Center, Tenable Nessus Scanners, and Tenable Nessus Managers on Linux platforms.

Perform regular vulnerability scans and assessments across the organization's network using Tenable products Analyze scan results and prioritize vulnerabilities based on severity and impact. Collaborate with IT and security teams to remediate identified vulnerabilities. Generate and distribute vulnerability reports to stakeholders.

Monitor security alerts and respond to incidents in a timely manner. Stay updated on the latest security threats and vulnerabilities. Provide training and support to users on the Tenable Security Center, Tenable Nessus Scanners, and Tenable Nessus Managers on Linux Ensure the optimal performance and security of the Tenable environment on Linux platforms Configure and install various security products utilizing Linux OS.

Qualifications: Required: TS/SCI clearance (current). As a post-hire requirement, selected candidate must be able to successfully pass and maintain a Government polygraph. DoD 8570 IAT Level II certified (current) Must obtain a CSSP Infrastructure Support certification within 6 months of hire date Bachelor's degree (Engineering, Computer Science or related field) and ten (10) years of technical experience in Cyber Security.

Additional experience may be considered in lieu of a degree. Working knowledge of maintaining Enterprise Cyber Security Engineering requirements utilizing all or some of the following tools: Tenable Suite that include Security Center, Nessus Scanners, Nessus Manager with hands-on administrator experience Strong working knowledge of Linux operating systems, including installation, configuration, and maintenance Experience with large-scale enterprise/global networks in a high-paced, diverse environment Understanding of and experience with the DoD Architecture Framework and other key DoD network architecture and strategic planning instructions Experience in providing status reports and products to senior management and customers Experience with plans, designs, and evaluations of security systems and architectures Desired: CSSP Infrastructure Support certification Any Linux related certifications Familiarity with scripting languages (e.g., Python, PowerShell) for automation tasks - What You Can Expect: A culture of integrity. At CACI, we place character and innovation at the center of everything we do

As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation. An environment of trust. CACI values the unique contributions that every employee brings to our company and our customers - every day.

You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality. A focus on continuous growth. Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy.

Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities.

Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. The proposed salary range for this position is: $75,200-$158,100 CACI is an Equal Opportunity Employer.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.