Associate Infrastructure Engineer Jobs in Missouri

ServiceNow On-Premise Infrastructure Engineer

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.

Chenega Agile Real-Time Solutions (CARS) is seeking a highly skilled ServiceNow On-Premise Infrastructure Engineer.  The ServiceNow On-Premise Infrastructure Engineer is responsible for the architecture, deployment, maintenance, and optimization of the ServiceNow platform hosted within a local data center or secure private cloud. Unlike traditional SaaS administrators, this role focuses heavily on managing the underlying virtual environment, operating systems, databases, and network topologies that keep the ServiceNow environment secure and highly available.

• Install, configure, and provision ServiceNow application servers and database servers within an on-premise or secure air-gapped environment.
• Install, configure, and provision ServiceNow mid-servers within an on-premise or secure air-gapped environment.
• Manage and maintain the underlying Operating Systems hosting the ServiceNow application stack.
• Administer relational databases including clustering, replication, backups, performance tuning, and disaster recovery processes.
• Plan and execute ServiceNow family version upgrades, patching, and hotfixes directly on the self-hosted servers, ensuring zero data loss and minimal downtime.
• Configure load balancers (e.g., F5, HAProxy), reverse proxies, and firewalls. Ensure system compliance with strict security frameworks (e.g., STIGs, RMF, PKI/CAC integrations).
• Monitor node and database performance, troubleshoot latency bottlenecks, and scale server resources (CPU, RAM, Storage) to meet mission demands.
• Assist designated system owners with maintaining operating status and documentation.
• Coordinate with team working on AI Initiatives to support predictive operations, automated incident/case response, and intelligent service management.
• Other duties as assigned.

• High school diploma or GED equivalent and relevant experience
• 5+ years of IT Infrastructure experience, with at least 2+ years explicitly managing ServiceNow in a self-hosted/on-premises architecture.
• Active Top Secret clearance with the ability to obtain SCI/CI poly
• Successfully pass background and drug screening

Preferred Qualifications:

• Bachelor’s or master’s degree in computer science, Information Technology, Engineering, or related field
• Experience supporting enterprise IT modernization initiatives within federal or defense environments
• Certifications: CompTIA Security+ (DoD 8570 compliance), Microsoft Certified: Windows Server Hybrid Administrator Associate or Red Hat Certified System Administrator (RHCSA).
• ServiceNow Specialties: Familiarity with ITOM (IT Operations Management) Discovery and MID Server configuration within restricted networks.
• Experience supporting large-scale enterprise IT environments

Knowledge, Skills and Abilities:

• Advanced proficiency in system administration, scripting, and server virtualization in an AWS cloud environment.
• Strong hands-on experience with MariaDB/MySQL database administration, including High Availability (HA) and replication configurations.
• Deep understanding of TCP/IP, DNS, SSL/TLS certificate management, hardware load balancing, and advanced firewall rules.
• Ability to work independently and yet be effective within a team setting
• Must be capable of managing multiple efforts with time-related constraints in a fast-paced contracting environment
• Demonstrated ability to effectively communicate and collaborate with diverse internal and external stakeholder groups and individuals
• Friendly presence, helpful attitude, good interpersonal skills, and ability to work well with others.
• Excellent skills in Microsoft Word, Excel, and other Office applications
• Proficient with Microsoft Office Applications, and experience working in a home office setting as well as the ability to train end users on frequently asked technical issues.
• Ability to provide technical assistance and support over the phone; good phone skills, professional demeanor, and previous customer service experience strongly desired.
• Good problem-solving skills; ability to visualize a problem/situation and think abstractly to solve it

How you’ll grow 

At Chenega MIOS, our professional development plan focuses on helping our team members at every level of their careers 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. 

Benefits 

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- https://chenegamios.com/news/ 

Tips from your Talent Acquisition Team 

We want job seekers exploring opportunities at Chenega MIOS to feel prepared and confident. To help you with your research, we suggest you review the following links: 

Chenega MIOS web site - www.chenegamios.com 

Glassdoor - https://www.glassdoor.com/Overview/Working-at-Chenega-MIOS-EI_IE369514.11,23.htm 

LinkedIn - https://www.linkedin.com/company/1472684/ 

Facebook - https://www.facebook.com/chenegamios/

#Chenega Agile Real Time Solutions, LLC