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Mattermost Jobs (NOW HIRING)

Analygence

Workflow Specialist

Arlington, VA

Utilize collaboration and project management platforms such as Platform One, Mattermost, Jira, Confluence, and TMT to coordinate activities and maintain program documentation. * Support enterprise ...

Centraprise Corp

Senior GitLab System Administrator

Plano, TX · On-site

$82K - $112K/yr

... via Mattermost and ServiceNow escalations • Manage SSL/TLS certificates, Kerberos Keytabs, and service accounts • Remediate vulnerabilities and manage Corrective Action Plans (CAPs) within ...

AMERICAN SYSTEMS

Kubernetes Engineer

Arlington, VA

$120K - $160K/yr

  • Medical

  • Retirement

  • PTO

Deploy highly utilized software onto Kubernetes in highly available manners like GitLab, and chat applications like Mattermost * Troubleshoot Kubernetes performance Issues * Develop example ...

Ryde Technologies, LLC

DevSecOps Specialist

JIRA, Confluence, Mattermost. • Fortify, SonarQube. • Container security, OS hardening, and repository management. • Cloud native tools, including CNCF projects. • CI/CD Pipelines developing ...

American Systems Corporation

Kubernetes Engineer

Arlington, VA · On-site

$120K - $160K/yr

  • Medical

  • Retirement

  • PTO

Deploy highly utilized software onto Kubernetes in highly available manners like GitLab, and chat applications like Mattermost * Troubleshoot Kubernetes performance Issues * Develop example ...

Ryde Technologies, LLC

JIRA, Confluence, Mattermost. • Fortify, SonarQube. • Container security, OS hardening, and repository management. • Cloud native tools, including CNCF projects. • CI/CD Pipelines developing ...

AMERICAN SYSTEMS

Kubernetes Engineer

Arlington, VA · On-site

$120K - $160K/yr

  • Medical

  • Retirement

  • PTO

Deploy highly utilized software onto Kubernetes in highly available manners like GitLab, and chat applications like Mattermost * Troubleshoot Kubernetes performance Issues * Develop example ...

Analygence

Solutions Architect

Arlington, VA · On-site

$72 - $94.75/hr

Guide analytical workflow automation, dashboard configuration, monitoring/reporting integration, and collaboration activities using Government-directed tools such as Platform One, Mattermost, Jira ...

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Mattermost information

What is the difference between Mattermost vs Slack Administrator?

AspectMattermostSlack Administrator
Required CredentialsIT certifications, system administration skillsIT certifications, system administration skills
Work EnvironmentOn-premises or cloud-based collaboration platformsCloud-based collaboration platform
Employer & Industry UsageTech companies, enterprises using open-source toolsVarious industries, large enterprises, tech firms
Common Search & Comparison IntentUnderstanding open-source collaboration toolsManaging Slack environments

Both Mattermost and Slack Administrators manage team collaboration platforms, requiring similar technical skills and certifications. Mattermost focuses on open-source, on-premises or cloud deployment, while Slack is a cloud-only service. The choice depends on organizational needs for customization, control, and integration options.

What are the roles in Mattermost?

In Mattermost, common roles include System Administrator, Team Administrator, and Member. System Administrators manage server settings and user permissions, while Team Administrators oversee team-specific configurations. Members participate in conversations and use the platform's collaboration features.

What cities are hiring for Mattermost jobs?

Cities with the most Mattermost job openings:

What states have the most Mattermost jobs?

States with the most job openings for Mattermost jobs include:

Mattermost jobs near you
Infographic showing various Mattermost job openings in the United States as of August 2026, with employment types broken down into 88% Full Time, 2% Part Time, and 10% Contract. Highlights an 75% Physical, 8% Hybrid, and 17% Remote job distribution.

Modeling & Simulation Analyst (MSIC)

COLSA Corporation

Huntsville, AL • On-site

Full-time

Posted 18 days ago

Job description

Applicant will apply an understanding of modeling and simulation (M&S) techniques to perform threat model and scenario creation, validation and verification (V&V) testing, analysis, and process improvement for M&S programs such as ITASE and/or TMAP for the Missile and Space Intelligence Center (MSIC).


Job duties may include:

  • Review of threat model documentation for identifying process improvement
  • Threat model and/or architecture release testing
  • Analyzing M&S performance of small to large autonomous and/or integrated scenarios, focusing on messages sent between simulation federates and comparing threat model performance to Intelligence data
  • Configuring M&S scenarios using threat model documentation and Intelligence data
  • Executing simulations with user-configured ("Constructive") threat models as well as Operator-in-the-Loop (OITL) threat models
  • Performing "batch" runs (i.e. more than one run) for scenarios by sweeping threat model parameters
  • Using Gitlab Software Configuration Management for software issue reporting and file configuration management
  • Using Microsoft Excel, Word, and PowerPoint for documenting test reports and results, and documenting identified M&S process improvement recommendations
  • Using collaboration software such as MatterMost to clearly and effectively communicate with multiple teams between multiple labs and locations
  • Candidate selected must:
    • Efficiently manage personal tasking, make informed decisions with minimal supervision, and proactively seek out the necessary information to complete assignments
    • Work in a fast-paced lab environment onsite at MSIC, interfacing routinely with both Contractor and Government employees
    • Exercise effective technical written and oral communication with Program Management and teammates
    • Multitask well, have a positive attitude, be highly motivated and a productive team player

At COLSA, people are our most valuable resource and centered at our core value. We invite you to unite your talents with opportunity and be a part of our "Family of Professionals!" Learn about our employee-centric culture and benefits here: https://www.colsa.com/culture_benefits 

Apply