Senior Systems Administrator

  • St Louis, MO
  • Posted 41 days ago | Updated 2 hours ago


On Site
Full Time


Verification and validation
Professional development
Technical Support
Operating systems
Tier 1
Service desk
Amazon EC2
Amazon S3
Team building
Team leadership
System monitoring
Corporate social responsibility
Marketing operations
Embedded systems
Cloud computing
Computer hardware
Amazon Web Services
Software deployment
Security clearance
Secure Shell
Microsoft Windows
Continuous integration
Continuous delivery
MEAN stack
Microsoft Excel
Information engineering
Profit and loss

Job Details

Req ID: 30407


Senior System Administrator

St. Louis, MO

Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional development is embedded in your employer's core culture? If so, Chenega Military, Intelligence & Operations Support (MIOS) could be the place for you! Join our team of professionals who support large-scale government operations by leveraging cutting-edge technology and take your career to the next level!

Chenega Agile Real-Time Solutions (CARS) was created with the purpose of providing integrated enterprise IT support to Federal customers both CONUS and OCONUS. CARS employs Subject Matter Experts (SMEs) with decades of experience working in the Federal marketplace.

The Senior System Administrator will be part of an integrated Operations and Sustainment team that provides critical mission support to a DOD customer. The Senior System Administrator will interface with other engineers co-located, as well as located at other agency facilities.

  • Provide support for implementation, troubleshooting, and maintenance of cloud systems
  • Isolate and resolve problems involving the applications, operating system, hardware, communications, other infrastructure, or any combination as needed
  • Prepare problem reports to appropriate leads like Amazon/C2S, NGA-ESC, etc.
  • Provide support for the escalation and communication of status to agency management and internal customers
  • Installs/loads operating system and application software
  • Isolate and resolve hardware and software problems involving the applications, operating system, hardware, communications infrastructure, or any combination of these
  • Troubleshoot, maintain integrity, and configure network components along with implementing operating systems enhancements to improve reliability and performance
  • Integrate new technologies into new and existing systems including the transition and migration of corporate systems
  • Monitor and report on system health using various dashboarding tools such as Elasticsearch Kibana, AWS CloudWatch, etc.
  • The ability to report and work on-site daily (this role is not remote).
  • Tools: GitLab, Service +, Git Repositories, JIRA, Confluence
  • Other duties as assigned

  • Bachelor's degree and 4+ years' experience OR
  • Associate degree and 6+ years' experience OR
  • High school diploma or GED and 8+ years' experience in a related field
  • Experience with Tier 1-4 Service Desk
  • SA experience with building unclassified, integrating, testing, and deploying on classified environments on multiple security domains
  • SA experience with integration and deployment of multiple baselines to support internal and Test Organization (IV&V) testing, resolving DRs (Pri 1 and 2), and incorporating fixes in a quick and timely manner
  • Security+ certification required
  • Active TS/SCI clearance

Knowledge, Skills, and Abilities
  • Demonstrated proficiency with the AWS C2S Suite and tools.
  • Troubleshooting and providing AWS technical support to NGA employees.
  • Creating SNS Topics
  • Connecting to ec2 instances using an SSH client on MobaX or Putty to check for logs.
  • Creating IAM users/roles/policies per user requests.
  • Granting access to s3 buckets by updating bucket policies using JSON.
  • Monitoring Data conditioning and dissemination with Kibana Elastic & Cloud Watch (AWS).
  • Experience using ServiceNow, Jira, Confluence, etc.
  • Creating and rotating IAM user secret & access keys periodically.
  • Using LDAP to administer account creation & management on various Linux Servers.
  • Administrate our clusters and their lifecycle, to guarantee a high degree of reliability, security, scalability, and confidence at any given time.
  • Provide support, improve, and implement internal components and applications on top of multiple clusters.
  • Troubleshoot and triage issues as they arise.
  • Work closely with various teams across the organization, including the security team, development team, and operations team for any AWS infrastructure requests.
  • Execute with minimal technical supervision, embrace reliability constraints, and be proactive in contributing improvements to the platform.
  • Encourage best practice policies. Adapt to various technologies and be willing to get involved in Terraform deployments and AWS support community as needed.
  • Assist in troubleshooting network, DNS, and storage issues and make recommendations for cost-saving options and growth.
  • Participate in a shared on-call rotation when necessary.
  • Willing to work or backfill all shifts as needed (Core hours 5A-9P EST)
  • Mentor others or serve as a team lead, guiding the day-to-day activities of team members.
  • Expertise experience in container platform infrastructure in AWS (EKS, ECS)
  • Clear understanding of container technologies and the tools/challenges around them.
  • Ability to code/script in Python
  • Senior-level experience managing and administering Linux/Windows-based systems.
  • Extensive AWS Cloud Formation knowledge (YAML and/or JSON).
  • Systems monitoring experience (Elasticsearch preferred).
  • Experience working with GitLab and supporting CI/CD pipelines.
  • Experience delivering projects via Agile methodologies.
  • Excellent verbal and written communication skills.

How you'll grow

At Chenega MIOS, our professional development plan focuses on helping our team members at every level of their career to identify and use their strengths to do their best work every day. From entry-level employees to senior leaders, we believe there's always room to learn.

We offer opportunities to help sharpen skills in addition to hands-on experience in the global, fast-changing business world. From on-the-job learning experiences to formal development programs, our professionals have a variety of opportunities to continue to grow throughout their careers.


At Chenega MIOS, we know that great people make a great organization. We value our team members and offer them a broad range of benefits.

Learn more about what working at Chenega MIOS can mean for you.

Chenega MIOS's culture

Our positive and supportive culture encourages our team members to do their best work every day. We celebrate individuals by recognizing their uniqueness and offering them the flexibility to make daily choices that can help them be healthy, centered, confident, and aware. We offer well-being programs and continuously look for new ways to maintain a culture where we excel and lead healthy, happy lives.

Corporate citizenship

Chenega MIOS is led by a purpose to make an impact that matters. This purpose defines who we are and extends to relationships with our clients, our team members, and our communities. We believe that business has the power to inspire and transform. We focus on education, giving, skill-based volunteerism, and leadership to help drive positive social impact in our communities.

Learn more about Chenega's impact on the world.

Chenega MIOS News- ;br>
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Chenega Corporation and family of companies is an EOE.

Equal Opportunity Employer/Veterans/Disabled

Native preference under PL 93-638.

We participate in the E-Verify Employment Verification Program

About Chenega MIOS