Senior Collaboration Engineer
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Job Location:
Huntsville, AL - USA
Monthly Salary:
$ 92300 - 166850
Posted on:
19 hours ago
Vacancies:
1 Vacancy
Job Summary
The NASA IT portfolio with Digital Modernization Sector currently has an opening for a Senior Collaboration Engineer to manage and maintain our Red Hat Enterprise Linux (RHEL) servers and M365 collaboration services as well as supporting enterprise email services.
This is a telework position but the ideal candidate will reside within reasonable commute distance from a NASA operating center (Johnson Space Center (Houston TX) or Marshall Space Flight Center (Huntsville AL)).
This is an exciting opportunity to use your experience helping the NASA End-User Services and Technologies (NEST) this mission we serve as an agile trusted partner to transform integrate simplify modernize and safeguard NASA IT systems and data. And above all else continuously enhance the end-user experience.
The Senior Collaboration Engineer is responsible for supporting and enhancing the mail flow environment at NASA to include M365 and on-premises infrastructure. This infrastructure includes Red Hat Enterprise Linux-based Postfix servers Exchange Server SE Exchange Online Microsoft Teams Microsoft Defender and the M365 Security Suite SMTP gateways email authentication standards (SPF DKIM and DMARC) and ensuring high availability through multi-site load balancing and system hardening.
Having a strong technical background in these technologies will be key for the successful candidate. The ideal candidate will have deep technical expertise in Linux systems email security and automation. Must be able to clearly articulate technical dialog with a variety of audiences to include NEST and NASA management.
Key Responsibilities
- Email Security & Authentication:
- Implement and monitor SPF DKIM and DMARC policies.
- Troubleshoot email delivery issues and enforce anti-spoofing measures.
- Linux Server Administration:
- Full lifecycle management of our Red Hat servers including installation configuration and patching in production and test environments.
- Perform security patching upgrades and hardening to meet compliance standards and remediate critical vulnerabilities
- Email Infrastructure Management:
- Configure and maintain Postfix SMTP servers for enterprise email flow.
- Integrate email services with DNS LDAP and TLS for secure delivery.
- Load Balancing & High Availability:
- Knowledge of load balancers and DNS for email services.
- Support failover and disaster recovery strategies.
- Monitoring & Troubleshooting:
- Use tools like Grafana Nagios Zabbix or similar for system and service monitoring.
- Analyze logs and resolve complex SMTP and network issues.
- Automation & Scripting:
- Automate routine tasks using Bash Python PowerShell and configuration management tools (Ansible Puppet).
- Maintain accurate documentation of configurations and processes.
- Microsoft 365 Tenant Management:
- Deliver support and enhance M365 services in Exchange Online Exchange Online Protection retention policies litigation holds etc
- Introduce new and modify existing M365 mail flow features and services across NASA and support customer issues
Required Technical Skills
- Advanced proficiency in Red Hat Enterprise Linux (RHEL 8/9) Bash administration.
- Advanced proficiency in Hybrid Exchange and the M365 collaboration stack
- Expertise in Postfix SMTP configuration troubleshooting and mailflow
- Expertise in SPF DKIM DMARC implementation troubleshooting and monitoring.
- Familiarity with load balancers (NGINX HAProxy) and reverse proxy setups.
- Solid understanding of DNS TCP/IP LDAP and secure email transport (TLS/SSL).
- Scripting skills in Bash or Python and PowerShell.
- Experience with automation tools (Ansible Puppet).
- Knowledge of system monitoring tools and performance tuning.
Qualifications
- Must be a US citizen to apply
- Must be able to obtain a Public Trust or currently possess a security clearance to be considered
- Bachelors degree in Computer Science Information Technology or equivalent experience.
- 8-12 years of relevant experience
- Experience with SMTP management including configuration security and troubleshooting
- Hands-on experience in command-line Linux system administration
- Experience as service owner within an enterprise or GCC M365 environment
- Red Hat certifications (RHCSA RHCE) strongly preferred.
If youre looking for comfort keep scrolling. At Leidos we outthink outbuild and outpace the status quo because the mission demands it. Were not hiring followers. Were recruiting the ones who disrupt provoke and refuse to fail. Step 10 is ancient history. Were already at step 30 and moving faster than anyone else dares.
Original Posting:
January 29 2026For U.S. Positions: While subject to change based on business needs Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range:
Pay Range $92300.00 - $166850.00The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job education experience knowledge skills and abilities as well as internal equity alignment with market data applicable bargaining agreement (if any) or other law.
Required Experience:
Senior IC
Key Skills
- APIs
- C/C++
- Computer Graphics
- Go
- React
- Redux
- Node.js
- AWS
- Library Services
- Assembly
- GraphQL
- High Voltage
About Company
Leidos is an innovation company rapidly addressing the world's most vexing challenges in national security and health. Our 47,000 employees collaborate to create smarter technology solutions for customers in these critical markets.
