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5 results for Systems Administrator in Washington, DC

Systems Administrator IV

Washington, DC
remote
Temporary / Contract
50 - 55 USD / Hourly
Position OverviewWe are seeking a highly experienced Senior Systems Engineer to support enterprise infrastructure with a focus on Active Directory, authentication services, and certificate management. This role will partner closely with infrastructure leadership to design, implement, and maintain secure and scalable identity and directory services.The ideal candidate will bring deep expertise in Windows Server, Active Directory, DNS, certificate authorities, and authentication frameworks, combined with strong scripting capabilities and a proactive, problem‑solving mindset. This role requires ownership, collaboration across engineering teams, and the ability to operate in complex, multi-tiered environments. Key ResponsibilitiesIdentity & Directory Services<ul><li>Configure, maintain, and troubleshoot Active Directory, DNS, and Certificate Authority environments</li><li>Manage authentication systems including ADFS, SAML, SSO, and Okta</li><li>Administer certificate lifecycle management across enterprise systems</li></ul>Infrastructure Engineering & Automation<ul><li>Develop PowerShell scripts to monitor system health and automate operations</li><li>Support scalable infrastructure across physical, virtual, and cloud environments</li><li>Implement Group Policy and role-based access management</li></ul>Security & Compliance<ul><li>Apply NIST and DISA security standards and system hardening practices</li><li>Manage certificate issuance and ensure zero-downtime implementation</li><li>Apply patches, enforce compliance, and maintain system integrity</li></ul>Operations & Support<ul><li>Provide Tier II / III support in Windows Server and Windows 11 environments</li><li>Troubleshoot and resolve complex infrastructure issues</li><li>Maintain system documentation and architecture design artifacts</li></ul>Collaboration & Optimization<ul><li>Work closely with engineering, system owners, and cross-functional stakeholders</li><li>Identify process improvements and implement infrastructure optimizations</li><li>Support project delivery, timelines, and operational priorities</li></ul>
2026-05-12T00:00:00Z

Systems Engineer

Herndon, VA
onsite
Temporary / Contract
55 - 65 USD / Hourly
Robert Half Technology is seeking a Senior IT Systems Engineer to support a client in the aerospace and technology industry. This role will serve as a senior technical resource responsible for supporting and modernizing enterprise infrastructure across hybrid cloud and on-premises environments.The ideal candidate will have strong experience supporting Microsoft and cloud infrastructure environments, identity and access management, systems automation, security hardening, and enterprise operations across Windows, Linux, Azure, and AWS platforms. Duration: Contract-to-hireLocation: Hybrid in Greater Seattle AreaPay Rate: $55-$65/hourly Key Responsibilities<ul><li>Design, implement, and support hybrid cloud infrastructure across Microsoft Azure and AWS environments </li><li>Administer and support enterprise identity services including Active Directory, Entra ID (Azure AD), SSO, Conditional Access, MFA, and hybrid identity integrations </li><li>Support Windows Server and Linux environments across both on-premises and cloud infrastructure </li><li>Manage virtualization environments including Hyper-V and related infrastructure technologies </li><li>Develop and maintain automation and Infrastructure-as-Code (IaC) solutions using Terraform, PowerShell, Bash, and related tools </li><li>Implement security hardening, vulnerability remediation, patching, and secure configuration baselines across enterprise systems </li><li>Support enterprise networking and authentication infrastructure including DNS, DHCP, VPNs, firewalls, load balancing, and cloud networking </li><li>Partner closely with Information Security teams to support compliance initiatives, infrastructure resiliency, and operational security standards </li><li>Support Microsoft 365 technologies and endpoint management solutions including Intune and Autopilot </li><li>Build and maintain monitoring, alerting, logging, and operational documentation for enterprise systems </li><li>Troubleshoot complex infrastructure, authentication, and cloud-related issues across hybrid environments </li><li>Support disaster recovery, backup, and business continuity planning initiatives </li><li>Serve as a senior escalation point for infrastructure and systems-related incidents and operational support </li></ul>
2026-06-04T00:00:00Z

Payroll Administrator

Fulton, MD
onsite
Permanent / Full Time
75000 - 85000 USD / Yearly
We are seeking a detail-oriented Payroll Specialist to manage and process full cycle payroll. The ideal candidate will ensure accurate and timely payroll processing while maintaining compliance with federal, state, and local regulations. Key Responsibilities<ul><li>Process semi-monthly payroll accurately and on schedule</li><li>Maintain and update employee payroll records in the payroll system</li><li>Review and validate timesheets, earnings, deductions, bonuses, and adjustments</li><li>Ensure compliance with wage and hour laws, tax regulations, and company policies</li><li>Manage payroll-related changes (new hires, terminations, promotions, benefits deductions)</li><li>Reconcile payroll reports and resolve discrepancies prior to final processing</li><li>Coordinate with HR and Finance teams to ensure data accuracy and approvals</li><li>Process off-cycle payrolls, retro pay, and corrections as needed</li><li>Handle employee inquiries regarding pay, taxes, and deductions</li><li>Support internal and external audits and maintain payroll documentation</li><li>Assist with year-end processing (W-2s, tax filings)</li></ul>
2026-06-02T00:00:00Z

Payroll Administrator

Severna Park, MD
onsite
Permanent / Full Time
25 - 40 USD / Hourly
We are looking for a Payroll Administrator to support accurate and timely payroll operations for our team in Severna Park, Maryland. This part-time, hybrid position is well suited for someone who is highly organized, comfortable managing payroll across multiple states, and confident working independently. The role plays a key part in ensuring employees are paid correctly each week while maintaining strong compliance and attention to detail. Responsibilities: • Process weekly payroll accurately and on schedule for employees across multiple states. • Maintain payroll records, review entries for accuracy, and resolve discrepancies before final submission. • Administer end-to-end payroll activities, including data updates, earnings, deductions, and related adjustments. • Use ADP Workforce Now to manage payroll transactions and support ongoing payroll administration. • Partner with internal teams to gather timekeeping and employee data needed for payroll processing. • Monitor payroll practices to help ensure compliance with applicable wage, tax, and employment requirements. • Respond to payroll-related questions from employees and provide clear, timely support. • Assist with payroll reporting, audits, and other administrative tasks tied to payroll operations.
2026-05-25T00:00:00Z

Office Administrator

Washington, DC
onsite
Permanent / Full Time
120000 - 145000 USD / Yearly
We are seeking a highly experienced and detail-oriented Office Administrator to support executive-level operations in a fast-paced environment in Washington, DC. This role requires an individual who can manage a wide range of administrative and operational responsibilities while maintaining a high level of confidentiality and professionalism. <ul><li>Provide high-level administrative support to C-Suite executives, including calendar management, meeting coordination, and travel arrangements</li><li>Plan, coordinate, and execute internal and external events, meetings, and executive functions</li><li>Serve as a primary point of contact for internal and external communications</li><li>Manage invoicing processes, including accounts payable coordination and vendor billing support</li><li>Oversee vendor relationships, including onboarding, communication, and ongoing management</li><li>Maintain organized office systems, records, and documentation to ensure operational efficiency</li><li>Support general office operations and assist with special projects as needed</li></ul>
2026-05-29T00:00:00Z