ME00697-Mid/Senior System Administrator

About the role

Momentum Engineering, Inc., a Woman-Owned Small Business (WOSB), fosters an employee-centric culture. Our strength lies in our people. With a high percentage of employees holding advanced degrees in engineering, computer science, and related disciplines, we bring deep technical expertise to every mission. Our team includes professionals with security clearances and full-scope polygraphs, ensuring trusted, secure support for the most sensitive national security initiatives. Additionally, our workforce is equipped with industry-leading certifications, demonstrating a commitment to continuous learning and excellence. Most importantly, our exceptional employee retention rate reflects a culture of professional growth, mission focus, and dedication—ensuring long-term stability and expertise for our customers’ critical needs. Job Summary: Seeking a Mid-Senior System Administrator that will be responsible for maintaining system administration support activities for a large complex network environment with geographically distributed systems. The position entails supporting solutions for system engineering requests that meet operational needs as well as upgrading and maintaining capabilities. The selected candidate must be comfortable working in a fast-paced environment with multiple air-gapped systems which have individual domains and supporting infrastructure, and with maintaining a complex IT environment with multiple logins and associated supporting storage and network infrastructure. The role requires an energetic, focused, and driven individual who can adapt well to a changing environment. The selected candidate must possess strong system administration and troubleshooting skills and must adapt quickly in working with the team to undertake various system administration network-centric tasking.

Responsibilities

• Installing and administrating systems, applications, and processes, and ensuring that all issues are identified and resolved in a timely manner
• Ensuring server and desktop configurations are optimized and running continuously and efficiently
• Performing security management and application performance optimization functions
• Administration/sustainment of a system that provides a web-based application for storing, sharing, and distributing information
• Creating and maintaining complex server enclaves, including analyzing system scanning reports, patching, cert renewals, vulnerability management assessments, and active directory configurations
• Identifying and correcting hardware and software issues
• Responding to system administration, operations, and maintenance problems, and developing re-work solutions
• Creating and maintaining documentation of complex server/network environments to ensure that clear, concise and accurate information is readily available for incident resolution
• Communicating with users and external support personnel regarding system outages and upgrades and conferring with upper management regarding recommended resolution options

Required Qualifications

• Active Top Secret/SCI clearance with NSA Full Scope Polygraph
• At least 8 years of relevant experience
• Experience as a systems administrator providing direct support to end users and technical staff (developers, testers, engineers, etc.)
• Proficiency with Windows Server 2012R2, 2016, 2019, and Active Directory
• Experience with Linux and Microsoft-based servers and workstations
• Experience with Windows 2019
• Experience with OS and Application Hardening to include DISA, Best Practices, and High Assurance environments
• Experience with software/hardware deployment, patches, and operating systems, and basic system backup and restore functions
• Experience with and/or familiarity with SALT, Ansible, Splunk, Puppet, SolarWinds, Nessus
• Experience with and/or knowledge of Red Hat 7 and 8, and VMWare
• Experience with Apache Tomcat, IIS, and/or SQL server database
• Experience documenting and providing information for security accreditation and certification
• Solid understanding of advanced security protocols and standards
• Experience with Network Security Technologies (e.g. Multiple Domain, PKI, SSP, and Vulnerability Assessment)
• Experience with High Assurance platforms and application integration testing methods
• Experience with both Client and Server virtualization environments
• Ability to lift up to 50 lbs
• Experience with installation, configuration, troubleshooting, and reimaging hardware