Senior Systems Administrator
$115k - $175kEnvision Innovative Solutions
Riverstone Enterprise Solutions, an Envision Innovative Solutions Company, delivers mission-focused technology solutions to the Intelligence Community. Since 2008, we have supported critical national security programs by building high-performing engineering teams and developing innovative enterprise solutions. Our engineers work in a collaborative, zero-bureaucracy environment where expertise is valued, ideas are heard, and contributions directly drive mission success. Your adventure begins now—unleash your potential at Riverstone, we combine the agility of a small company with the impact of a big mission. Riverstone is seeking a motivated, career, and customer-oriented Senior Systems Administrator to join our team at Annapolis Junction, Maryland . This is an onsite position. Primary Responsibilities Provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Manages IT system infrastructure and any processes related to these systems. Provides support to IT systems including day‑to‑day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc. Provides Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems. Provides support for the escalation and communication of status to agency management and internal customers. Configures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance. Required Skills Ten (10) years' experience as Systems Administrator including Linux, MongoDB, AWS, Kubernetes, Terraform and Ansible. Bachelor’s degree in technical discipline from an accredited college or university is required. Five (5) years of additional SA experience may be substituted for a bachelor’s degree. DoD 8570 compliance with Information Assurance Technical (IAT), Level I or higher is required. Security Clearance Requirement Current/Active TS/SCI with Full Scope Polygraph. Compensation The projected compensation range for this position is $115,000.00–$175,000.00. Differentiating factors may impact final salary/hourly rate, including but not limited to contract wage determination, relevant work experience, skills and competencies that align to the specified role, geographic location, education and certifications as well as Federal Government Contract Labor categories. Equal‑Opportunity Statement Riverstone Enterprise Solutions 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. #J-18808-Ljbffr Envision Innovative Solutions
- ...(2) years of demonstrated experience in modern operating systems and network architectures. Information Assurance – Must have... ...attractive bonus plan. Responsibilities We are seeking a Senior System Administrator to provide enterprise-focused engineering support to a Government...Senior
$115k - $175k
...agility of a small company with the impact of a big mission. Riverstone is seeking a motivated, career, and customer-oriented Senior Systems Administrator to join our team at Annapolis Junction, Maryland . This is an onsite position. Primary Responsibilities Provides support...SeniorHourly payContract workWork experience placement$170k - $250k
...Job Description The System Administrator III is a senior technical contributor responsible for designing, implementing, securing, and maintaining the organization’s core IT infrastructure. This role provides Tier3 support for complex incidents, leads infrastructure projects...SeniorPermanent employmentContract workWork experience placementLocal area$128k - $160k
...Responsibilities & Qualifications RESPONSIBILITIES The Senior Systems Administrator is expected to be able to accomplish the following: Monitors and manages system resources, including CPU usage, disk usage, and response times to maintain operating efficiency. Performs...SeniorFull timeContract workTemporary workLocal areaShift work$113.9k - $127.3k
...your potential, and making a difference every day. Together, we belong to something beautiful. Your role at Sephora As a Senior Systems Administrator, for the Planning and Engineering Department you will be responsible to support our DC network to identify, resolve, and...SeniorLocal area$100k - $115k
...technical planning, testing, and execution of complex system upgrades, including operating systems,... ...advisories) and ensure timely remediation. Provide senior‑level technical support and guidance to system administrators, serving as an escalation point for complex patching...Senior$190k - $210k
Title: Senior System Administrator Location: Annapolis Junction, MD Compensation Range: $190 - $210K Clearance: Active TS/SCI w/ Polygraph needed to apply. Company Overview Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities...Senior$98.1k - $228.6k
...passionate about what they do, committed to our shared values and dedicated to our customers’ mission. AT&T has an opening for a Senior System Administrator to support operations by maintaining, documenting, and administering enterprise IT systems. This role is the Senior...SeniorTemporary workWork at officeLocal areaRelocation- ...Overview The Linux System Administrator manages the day-to-day operations of Linux servers, ensuring system stability, security, and efficiency. This role involves troubleshooting issues, automating tasks, and supporting development or operations teams. Required Qualifications...Senior
- ...Senior Red Hat Linux Administrator Installing, configuring, and maintaining Red Hat Enterprise Linux (RHEL) servers across development, testing, and production environments. Performing system upgrades, patch management, and security hardening to ensure compliance...Senior
- ...SHOULD have active Red Hat Linux Administrator certificate Role: Senior Red Hat Linux Administrator Industry: Government & Public Sector... ...testing, and production environments. b. Performing system upgrades, patch management, and security hardening to ensure...SeniorContract workH1bLocal area
$99.3k - $208.6k
Senior Network Administrator at CACI International Inc Location: Aberdeen Proving Grounds, MD Job Category: Information Technology Time Type:... ...Network Administrator for an Army Task Order that provides system administration, network administration, and database administration...SeniorFull timeImmediate startFlexible hours$165k - $196k
...performance infrastructure, and automating complex deployments at scale, you’re in the right place! We are looking for a Senior Linux Systems Administrator who shares our drive to push boundaries and build secure, data‑driven applications that make a real difference. In...SeniorRemote workFlexible hours$95k - $230k
...Description Job Description Salary: $95,000 - $230,000 Location: Annapolis Junction, Maryland Category: Systems Administrator Level - Mid-Senior Travel Required:No Remote Type: No Clearance: TS/SCI w/ Polygraph **Position is contingent upon contract...SeniorContract workTemporary workWork experience placementImmediate startRemote work- ...has a people first mentality and a dedication to excellence. Key Tasks: Candidate will be responsible for providing Linux System Administration support for the program. Along with meeting the System Administrator III LCAT requirements, the ideal candidate for this position...Remote workFlexible hours
$77.6k - $176k
...capability advantage to perform advanced cyber‑focused research and development and software‑wide development. As a member of the system administration team, you will lead Windows administration to define and manage the Windows domain supporting cyber R & D activities. You’ll...Local area$130k - $145k
...with opportunities to grow and the ability to have an impact on every client you work with. ARSIEM is currently looking for a System Administrator 2. The position will support one of our Government clients in Annapolis Junction, MD. Responsibilities Provides support for...- ...DCCA is proud to offer career growth opportunities and a competitive compensation and benefits package. Visit our website at: Systems Administrator 2 (w/ Poly) Candidate must have an active TS/SCI w/ Poly. Key Responsibilities Along with meeting the System Administrator...
- Position Summary The System Administrator will support the Air Force Review Boards Agency (AFRBA) Case Management Tracking Analysis and Reporting System (CMTARS) Operations and Maintenance program. This role is responsible for administering, maintaining, and supporting...Contract work
$148.75k - $201.25k
...: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Description Systems Administrator Advance how our customers operate while you advance your career. Join GDIT as a Systems Administrator and build an impactful...Immediate startRemote workWorldwide$202.3k - $273.7k
...Systems Administrator The Systems Administrator shall be responsible for providing network management and systems administration support to maintain the Agency’s High-Performance Computing (HPC) infrastructure and HPC development environment. Requirements 15+ years of...Remote work$170k - $200k
...Location: Annapolis Junction, Maryland, United States Position Title: Systems Administrator What You’ll Be Owning GRVTY is seeking a Systems Administrator with a TS/SCI + Poly clearance (applicable to this customer) to join one of our top projects in Annapolis Junction...- ...Overview Position Title: Systems Administrator Location: Annapolis Junction, MD Reports To: Program Manager / Team Lead Job Type: Full-time Clearance Requirement: Active TS/SCI with Polygraph Summary Drive automation and modernization to truly impact mission success. This...Full timeContract workWork at officeLocal areaImmediate startFlexible hours
- Description The role of Agile Developer includes examining, planning, confirming, ensuring, executing, utilizing, and sustaining software systems. Employ discrete mathematics, probability, statistics, and related subjects in computer science and allied fields to intricate...
$80k - $120k
...and flexible work environment, and the opportunity to work with experts in their field. The Position: We are looking for a System Administrator, Junior or Journeyman, who will be providing support to PMA-262, the Persistent Maritime Unmanned Aircraft Systems Program Office...Interim roleWork at officeFlexible hours$10k
...that is rare within our industry. Responsibilities Provide support for implementation, troubleshooting and maintenance of IT systems Manage the daily activities of configuration and operation of IT systems Provide Tier 1 (Help Desk) problem identification, diagnosis...Hourly payFull timeContract workTemporary workWork experience placementSummer workImmediate start- ...Description The role of the System Administrator includes supporting the implementation, troubleshooting, and upkeep of Information Technology (IT) systems. This involves overseeing the IT system infrastructure and associated processes, providing assistance for day-to...
- ...System Administrator (All Levels) Network Engineers | Storage Engineers | Platform Engineers Locations: Maryland and Utah Clearance Required: Active TS/SCI with Polygraph Citizenship: U.S. Citizenship Required Position Overview Open Systems Technologies Corporation (OST...Temporary work
$65 - $100.96 per hour
Job Title Systems Administrator Overview EverWatch is a government solutions company providing advanced defense, intelligence, and deployed support to our country’s most critical missions. We are a full-service government solutions company. Harnessing the most advanced...Hourly payContract workLocal area- ...Member of a cross-functional team providing Windows systems administration/engineering expertise and guidance for a critical enterprise-wide messaging system used in the Information Transport Service (ITS) program. Responsible for platform hosting and performance providing...Local area
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