Senior Systems Administrator
$80k - $90kSolar Energy Industries Association
Senior Systems AdministratorThe Solar Energy Industries Association (SEIA) is the national trade association for the solar and storage industry and represents more than 1,000 member companies and an industry workforce of more than 255,000 across the United States. SEIA is leading the transformation to a clean energy economy and is creating the framework for solar to reach 30% of U.S. electricity generation by 2030. We work with our member companies and strategic partners to advocate for policies that create jobs and shape fair market rules that promote competition and the growth of reliable, low-cost solar power.SEIA does this by supporting pro-solar policies at the state and federal level, developing cutting-edge market research, hosting educational events and webinars, and serving as the voice of the solar and storage industry.SEIA employees are passionate, forward-thinking leaders who start every day knowing that their work makes a difference. SEIA fosters an inclusive, lively company culture that values our employees' varied backgrounds and experiences and celebrates team success. The Association has earned numerous awards for its work and company culture and was named The Washington Post as a Top Workplace in 2023 and 2024 and by the Nonprofit Times as one of the "Best Nonprofits to Work For" in America in April 2022.The Senior Systems Administrator plays a hands-on role in keeping SEIA's technology environment reliable and secure. This position is ideal for someone who wants broad exposure across various technologies, cloud platforms, cybersecurity, and tools. The role works closely with internal teams, vendors, consultants, and implementation partners to solve problems, improve systems, evaluate new tools, and support technology projects that directly impact SEIA's staff and mission. It is a strong opportunity for a practical, curious IT professional who enjoys learning new technologies, taking ownership of core systems, and helping others work more effectively.Core duties and responsibilities include:Provide and manage day-to-day technical support for staff, including troubleshooting hardware, software, account access, meeting room, phone system, cloud application, and other end-user technology needs.Manage and support SEIA's core IT infrastructure, including Microsoft 365, Azure AD/Entra ID, cloud services, servers, workstations, networking equipment, firewalls, VPN, DNS, backup systems, and related security tools.Administer user accounts, permissions, access controls, and network resources in accordance with SEIA's security policies and business requirements.Monitor system performance, reliability, security, and availability across on-premise and cloud environments; proactively resolve issues and recommend improvements.Support and assist in managing the implementation of new technology solutions, upgrades, integrations, and infrastructure improvement.Maintain documentation, standard operating procedures, knowledge base content, asset records, and system configuration information.Identify opportunities to improve IT operations through automation, process simplification, system optimization, and improved administrative workflows.Coordinate with vendors, consultants, and internal stakeholders to troubleshoot issues, manage services, evaluate tools, and complete technology projects.Support IT asset management, hardware and software procurement, license tracking, expense monitoring, and annual budget planning.Provide technical guidance for team members, support key business events and perform other related duties as assigned, including limited after-hours support when necessary.Provide technical guidance and knowledge transfer to 3rd party service providers and implementation partners.Qualifications include:Minimum of 3-5 years of progressive IT experience, including systems administration, cloud administration, end-user support, infrastructure management, and cybersecurity operations.Strong hands-on experience administering Microsoft 365 suite of products, including Exchange Online, SharePoint, Teams, OneDrive, RingCentral, licensing, security settings, and user account management.Experience with Azure AD/Microsoft Entra ID, including identity management, MFA, conditional access, security groups, access reviews, and user administration.Experience with email security and protection platforms such as Microsoft Defender, Barracuda, and Proofpoint, including spam filtering, phishing protection, email continuity, archiving, and backup solutions.Experience managing network services that support end-user computing, including wired and wireless connectivity, Wi-Fi administration, network switches and protocols, print services, network access, and troubleshooting.Hands-on experience with endpoint management using Intune, software deployment, patching, technical documentation, vendor management, and cybersecurity best practices.Working condition:Position is full-time.This position is based in the Washington, D.C. office. SEIA employees in the Washington, D.C. region follow a hybrid remote and in-person office model. Employees are expected to work a minimum of 3 days a week in SEIA's offices.Minimal travel is required for this role (all-staff events and gatherings)Occasionally required to work after business hours to perform system maintenance, deployment, or support business events.Compensation range:$80,000-$90,000 annually, based on experience, with an excellent benefits package.Working at SEIA:SEIA welcomes different perspectives, identities, and backgrounds, working collaboratively in support of our mission, regardless of job function. We believe this creates a more resilient organization that supports a strong, equitable solar industry. SEIA envisions an industry that is committed to fostering a culture of inclusivity and respect for all.SEIA provides equal employment opportunities (EEO) to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, homelessness, or any other characteristic protected by applicable federal, state, or local laws. SEIA complies with applicable federal, state, and local laws governing nondiscrimination in employment in every location in which we employ staff. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.SEIA is an EVerify employer.
$77.6k - $176k
System Administrator, SeniorThe Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve a critical technology supporting the Department of Defense (DoD)? We’re looking for a System...SeniorFull timeContract workPart timeWork at officeLocal areaRemote work$170k - $219k
As a Sr. Systems Administrator III, you will work as part of a collaborative and high-performing team providing hands-on expertise to deliver technical solutions within the highest levels of the federal government by designing, implementing, administering, and supporting...SeniorFull timeLocal area$77.6k - $176k
System Administrator, SeniorThe Opportunity: Your combination of people skills and system administrator expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the Department of War?...SeniorFull timeContract workPart timeWork at officeLocal areaRemote work- ...The organization in Washington, DC seeks a Systems Administrator to support the server compute environment, ensuring high availability, performance, and security for mission-critical operations. You will install, configure, and maintain server systems, troubleshoot issues...Senior
- ...Virginia Tech is seeking a Senior Systems Administrator to maintain and enhance IT infrastructure across Alexandria and Arlington campuses. You will manage Windows Active Directory, Hyper-V virtualization, Linux servers, and cloud services while guiding the service desk...Senior
- ...Electrosoft Services, LLC seeks a Senior Systems Administrator to design, implement and manage diverse software solutions for federal customers. You will install and maintain systems, develop executive dashboards, and present findings to senior management in a fast-paced...Senior
- ...Please do not apply if you do not currently possess this level of clearance.Telework: NoneBasic Requirements:20 years experience as a system engineerBachelor's degree in a technical discipline 5 additional years of experience as a system engineer may be substituted for a...SeniorImmediate startRemote work
- ...AHU Technologies Inc is seeking a skilled Network and Systems Administrator responsible for managing the organization's servers, network systems, and core IT services. The role involves ensuring secure and reliable Windows Server performance, monitoring network infrastructure...Senior
- ...Leidos in Suitland, MD is seeking a Systems Administrator to support ONI activities, providing specialized cybersecurity and IT support for critical intelligence systems in parametric modeling, engineering analysis, and foreign material exploitation. You will manage a...Senior
- ...Booz Allen Hamilton seeks an experienced system administrator to lead enterprise-level IT infrastructure for a mission-critical customer. You will manage Windows-based systems, perform Tier I/II support, monitor performance, apply patches, and document configurations...Senior
- ...A government services contractor in Arlington, Virginia is seeking a Relativity Sr. Systems Administrator to facilitate government innovation through IT solutions. The ideal candidate will design and maintain systems using Relativity and AWS, alongside ensuring compliance...SeniorFull timeFor contractorsFlexible hours
- ...Senior Systems Administrator Location: Fort Lesley J. McNair, 300 5th Avenue, Washington, DC 20319 (Hybrid) Duration: Long term Certification: CompTIA Security+ CE and Computing certification Clearance: Active Secret or above Summary: We are seeking an...Senior
- ...Omniscius Consulting is looking for an experienced Senior Systems Administrator in Laurel, MD, to manage and support the lifecycle of mission-critical applications. The ideal candidate will have strong backgrounds in Windows and Linux administration, cloud infrastructure...Senior
- ...Qualifications Minimum of seven (7) years of experience in installing, configuring and maintaining UNIX/LINUX/MS operating systems and Cloud Environment. Analyzes and resolves problems associated with the operating system's servers, hardware, applications,...Senior
- ...Senior Systems Administrator, Top Secret Security Clearance Required, Arlington, VAWe are seeking a Senior Systems Administrator to perform a wide variety of systems administration tasks. This could include installation, configuration, upgrades, and operational support...Senior
$75k - $85k
...Senior Systems AdministratorTechFlow Inc. is an employee-owned company delivering mission-critical technology, engineering, and mission... ...federal government customers. We are seeking a Senior Systems Administrator to play a key role in a critical DOD program — powering the...SeniorRemote work- ...McLean, VA . We currently have an immediate opening for a Sr. Systems Administrator to support our contract in Lanham, MD. Our government client... ...to provide support in Infrastructure Management for a Senior System Administrator, with strong Microsoft Hyper‑V administration...SeniorContract workWork at officeImmediate startRemote workMonday to Friday
- ...maintain Windows and Linux servers, databases, and mission‑critical systems. Manage virtualization environments (VMware) and cloud... ...Experience: Minimum 5 years of experience as a Windows Systems Administrator. Strong knowledge of AWS infrastructure and security best practices...Senior
$70k
...sustaining, operating, and improving essential government systems and services, with proven operational excellence, and a commitment... ....S. national status required. This role is remote. The Senior System Administrator provides senior-level IT operations and ServiceNow...SeniorContract workRemote work- ...Ariadne is looking for Senior System Administrator for a position at NLM's Lister Hill National Center for Biomedical Communications, part of the National Institutes of Health at the NIH campus in Bethesda, MD. Duties and Responsibilities: The management, maintenance and...Senior
- ...Job Description This Senior Systems Administrator position is responsible for maintaining information technology infrastructure to support Virginia Tech sites in both Alexandria and Arlington. This position maintains systems for client support, security monitoring, and...SeniorWork experience placement
- ...Senior Systems Administrator We are seeking an experienced Senior Systems Administrator to support the lifecycle sustainment and modernization of mission-critical education, learning, and training applications supporting a Government enterprise. This role is ideal...SeniorFull time
$130k - $140k
...If we’ve described you and your dream workplace, please apply and share in the many benefits and opportunities we offer. Senior Systems Administrator Seven (7) years of progressive experience in the field of Information Processing, six of which are specialized in...SeniorFor contractors- ...Employment Type Full Time, Senior-level Department Legal/IT Overview CGS is seeking a Senior Systems Administrator to join our team supporting a wide-ranging technical support initiative for a large Federal agency. CGS brings motivated, highly skilled, and creative people...SeniorFull timeContract workFor contractorsWork at office
$78.6k - $160.2k
...Senior Systems AdministratorAt Accenture Federal Services, nothing matters more than helping the US federal government make the nation... ...moves missions and the government forward!The Senior Systems Administrator oversees the management, security, and optimization of a mixed...SeniorLocal area- ...None Basic Requirements Security+ Cert 20 years experience as a system engineer Bachelor’s degree in a technical discipline 5... ...support across all levels (both in-person and via phone) Systems Administration: Linux Server administration alongside Windows 10/11 and Windows...SeniorFull timeImmediate startRemote workShift work
$77.6k - $176k
...Job Number: R0232223 System Administrator, Senior The Opportunity Your technical expertise makes the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the Department of Defense? We're looking for a System...SeniorLocal area- ...Senior Systems Administrator Employment Type: Full Time, Senior-level CGS is seeking a Senior Systems Administrator to join our team supporting a wide-ranging technical support initiative for a large Federal agency. CGS brings motivated, highly skilled, and creative...SeniorFull timeContract workFor contractorsWork at officeFlexible hours
- ...Position Overview JDEIS databases and systems must stay current, backed up, and available to support doctrine and education work. The Senior Systems Administrator provides database and systems administration across JDEIS applications, including backups after major updates...SeniorTemporary workFlexible hours
- ...Senior Systems Administrator II Employment Type: Full Time, Senior-level CGS is seeking a Senior Systems Administrator to join our team supporting a wide-ranging technical support initiative for a large Federal agency. CGS brings motivated, highly skilled, and...SeniorFull timeContract workFor contractorsWork at officeFlexible hours
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Systems Administrator. Be the first to apply!
- remote systems administrator Washington DC
- computer systems administrator Washington DC
- application system administrator Washington DC
- office 365 and sharepoint system administrator Washington DC
- IT infrastructure administrator Washington DC
- microsoft systems administrator Washington DC
- enterprise administrator Washington DC
- systems administrator Washington DC
- system admin Washington DC
- IT administrator Washington DC

