Senior Systems Administrator
Listed on 2026-09-22
-
IT/Tech
Systems Administrator, Unix/Linux
At Riverstone Enterprise Solutions, we're more than a technology company—we're a team of innovators, problem-solvers, and mission-focused professionals dedicated to making a meaningful impact. Since 2008, we have delivered innovative technology, engineering, cybersecurity, and mission support solutions to the Intelligence Community.
We are seeking a motivated, career-oriented, and customer-focused Senior Systems Administrator to join our team at Annapolis Junction, Maryland.
PRIMARY RESPONSIBILITIES- Provide support for implementation, troubleshooting and maintenance of IT systems
- Provide Tier 1 (Help Desk) problem identification, diagnosis and resolution of problems
- Manage the daily activities of configuration and operation of IT systems
- Provide assistance to users in accessing and using IT systems
- Provide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems (U) Provide support to IT systems including daytoday operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc.
- Provide support for the escalation and communication of status to agency management and internal customers
- Optimize system operations and resource utilization, and perform system capacity analysis and planning
- Provide indepth experience in troubleshooting IT systems
- Provide detailed analysis and feedback to agency management and internal customers for escalated tickets
- Provide support for the dispatch system and hardware problems and remains involved in the resolution process
- Configure and manage UNIX and Windows operating systems and installs/loads operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance
- Ten (10) years' experience as an SA in programs and contracts of similar scope, type, and complexity is required.
- Bachelors degree in a technical discipline from an accredited college or university is required. Five (5) years of additional SA experience may be substituted for a bachelors degree.
- Information Assurance Technical (IAT), Level I certification or higher.
Riverstone invests in its employees with an exceptional benefits package, including:
- 100% employer paid medical, dental, and vision coverage
- 100% Employer paid life and disability insurance
- Approximately 10% employer 401(k) contribution, fully vested immediately, with no employee contribution required
- Five weeks of PTO + 10 Federal holidays
- $3,000 annually for professional development
- $1,200 annual phone and internet stipend
- 5% annual performance or merit bonus
- Referral bonuses from $8,000 to $16,000
Riverstone Enterprise Solutions, an Envision Company is an equal-opportunity employer. All Qualified applicants will receive consideration for employment without regard to race, religion, color, national origin, citizenship, sex, sexual orientation, gender identity, veteran's status, age, disability or any other basis prohibited by law.
(If this job is in fact in your jurisdiction, then you may be using a Proxy or VPN to access this site, and to progress further, you should change your connectivity to another mobile device or PC).