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Mattermost Jobs (NOW HIRING)

Analygence

Data Scientist

Arlington, VA · On-site

Coordinate analytical development activities using Government-directed collaboration and task management platforms, including Platform One, Mattermost, Jira, and Confluence, while documenting methods ...

Analygence

Workflow Specialist

Arlington, VA · On-site

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

Intezra, Inc.

Training Environment Administrator

Columbia, MD · On-site

$181K - $220K/yr

  • Dental

  • Vision

  • Retirement

  • PTO

Familiarity with Confluence, Mattermost, and Moodle. * Knowledge of vSphere and virtual machines. * Strong background in Windows exploitation and security. Nice to Haves * Experience with Unix ...

GCyber

GSOC Communications Systems Operator (CSO) Liaison

MD · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Use command and control tools and chat software, such as Mattermost, to support aircraft in flight. * Review the flight monitoring tools the GSOC uses, including commercial SATCOM provider portals ...

Analygence

Data Manager

Arlington, VA · On-site

Support technical coordination, training, user support, knowledge transfer, and collaboration using Government-directed tools such as Platform One, Mattermost, Jira, and Confluence. Requirements

Simpro Software

IT Support Administrator

Miami, FL · Hybrid

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Setting up new starters on systems (including Mattermost, Google Suite, Global Phone List etc.) and removing leavers * Configure and dispatch hardware to staff and clients, ensuring new equipment is ...

Belay Technologies

Senior Systems Engineer

Fort George G Meade, MD · On-site

$168K - $240K/yr

  • Medical

  • Dental

  • Life

  • Retirement

  • PTO

Familiarity with Confluence, Mattermost, and Moodle * Knowledge of VSphere and virtual machines * Strong background in Windows exploitation and security Candidates are desired to have the following ...

Analygence

Data Scientist

Arlington, VA · On-site

Coordinate analytical development activities using Government-directed collaboration and task management platforms, including Platform One, Mattermost, Jira, and Confluence, while documenting methods ...

Belay Technologies

Senior Systems Engineer

Fort George G Meade, MD · On-site

$168K - $240K/yr

  • Medical

  • Dental

  • Life

  • Retirement

  • PTO

Familiarity with Confluence, Mattermost, and Moodle * Knowledge of VSphere and virtual machines * Strong background in Windows exploitation and security Candidates are desired to have the following ...

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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.

Senior GitLab System Administator

Tata Consultancy Service Limited

Seattle, WA • On-site

$110K - $150K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 4 hours ago

Job description

Must Have Technical/Functional Skills
• Linux system administration
• GitLab Enterprise Edition administration (Omnibus installs, upgrades, configuration)
• PostgreSQL database administration (backups, replication, tuning)
• Ansible configuration management (writing/maintaining playbooks and roles)
• HAProxy or F5 load balancer configuration (SSL termination, backend pools, health checks)
• TLS/SSL certificate management (full CA chain, renewals, troubleshooting)
• Shell scripting (Bash) for automation and troubleshooting
• Monitoring and log analysis (Splunk, Grafana, Prometheus, or similar)
• Strong working knowledge of Git workflows, branching, and merge requests
• Networking fundamentals (DNS, firewalls, TCP/IP, port management)
• CI/CD concepts, GitLab Runners, pipelines, shared runner infrastructure
• Terraform (AWS infrastructure provisioning, state management)
• Experience setting up or migrating GitLab to AWS cloud environments and/or Kubernetes (Helm chart deployments, EKS/ECS orchestration)
Roles & Responsibilities
• Administer and maintain GitLab across multiple environments
• Perform structured version upgrades across all environments following change management procedures
• Manage platform infrastructure
• Maintain and extend Ansible playbooks and Terraform configurations (infrastructure-as-code)
• Setu and Manage AWS Geo DR site
• Administer GitLab Runners (shared Linux runners, EKS runners) and CI/CD infrastructure
• Support cloud-native GitLab deployments including Kubernetes-based installations using Helm charts and container orchestration on EKS
• Monitor platform health using Splunk, Grafana, and ServiceNow alerting and responding to incidents
• Handle user support requests via Mattermost and ServiceNow escalations
• Manage SSL/TLS certificates, Kerberos Keytabs, and service accounts
• Remediate vulnerabilities and manage Corrective Action Plans (CAPs) within required timelines
• Participate in SAFe Program Increments and sprint ceremonies
• Document procedures, runbooks, and architecture changes in team wiki
• Coordinate with Network, Security, Database, and M365 teams for cross-functional work
Generic Managerial Skills, If any
• Coordinate with team across multiple towers
• Ability to effectively communicate with Product Managers, Architects and other Stakeholders.
• Strong analytical and problem-solving skills.
• Ability to work independently and as part of a team.
• Prioritization and time management across multiple concurrent tasks (compliance deadlines, upgrades, support)
• Mentoring and knowledge transfer to junior team members
Base Salary Range : $110,000 to $150,000 Per Annum
TCS Employee Benefits Summary:
Discretionary Annual Incentive.
Comprehensive Medical Coverage: Medical & Health, Dental & Vision, Disability Planning & Insurance, Pet Insurance Plans.
Family Support: Maternal & Parental Leaves.
Insurance Options: Auto & Home Insurance, Identity Theft Protection.
Convenience & Professional Growth: Commuter Benefits & Certification & Training Reimbursement.
Time Off: Vacation, Time Off, Sick Leave & Holidays.
Legal & Financial Assistance: Legal Assistance, 401K Plan, Performance Bonus, College Fund, Student Loan Refinancing.

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