Top Senior IT Jobs in Washington, DC

Manage, monitor, maintain, troubleshoot, and update Active Directory and hybrid authentication systems. Support identity, access, authentication, Group Policy, domain controllers, AD schema, PowerShell, and PKI. Use automation/orchestration tools, resolve technical issues, and assist in evaluating and implementing directory services enhancements. Must hold Top Secret clearance and be onsite in Washington, DC.

Design, build, and maintain cross-platform mobile apps for iOS and Android. Integrate enterprise security and MDM, translate stakeholder requirements into features, test/debug and optimize performance, and support deployments and device-specific integrations for secure enterprise use.

Manage full endpoint device lifecycle for Windows and macOS: OS imaging, patching, vulnerability remediation, Tier 3 support, endpoint management tool administration, monitoring, and documentation to ensure security and compliance.

Designs and operates secure CI/CD pipelines and software‑factory automation across classified enclaves (NIPR/SIPR/JWICS). Implements DevSecOps tooling, IaC/CaC, automated compliance (STIG/NIST), observability, incident response, and governance. Drives modernization strategy, evaluates tooling, and produces architecture, maturity, and compliance reporting to accelerate releases and ensure mission readiness.

Designs, deploys, and maintains secure AWS cloud infrastructures for DoD mission systems. Implements monitoring (CloudWatch, CloudTrail, AWS Config), infrastructure-as-code (CloudFormation, Systems Manager), and automated deployment pipelines. Performs system administration, hardening, incident response support, documentation, and coordination with stakeholders to sustain operational readiness and compliance.

Architect and implement enterprise API management for the Advana platform using Google Cloud and Apigee across classified enclaves. Define API lifecycle, security/authentication flows, routing, throttling, and mediation policies. Lead architecture/design sessions, troubleshoot complex integrations (identity, legacy apps, microservices, cross-domain transfers), and deliver workshops and documentation to standardize API practices, deployments, and governance to meet performance, security, and interoperability requirements.

Design, implement, and maintain enterprise PKI systems and certificate services. Manage CAs, RAs, and HSMs; enforce PKI policies; perform audits for compliance; monitor infrastructure health; troubleshoot certificate and PKI issues; and automate workflows using scripting. Role requires Top Secret clearance, US citizenship, and 5+ years' related experience.

Operate, secure, and sustain Windows server and client platforms across physical, virtual, and cloud environments. Perform Tier II/III troubleshooting and root cause analysis, manage AD/GPO/certificate services, maintain STIG/HBSS compliance, execute patching and vulnerability remediation, support virtualization, and coordinate with engineering and cybersecurity teams to ensure high-availability and secure enterprise operations.

Senior Linux Systems Engineer to administer, optimize, secure, and automate enterprise Linux systems across virtualization and cloud environments. Responsibilities include performance tuning, patch management, troubleshooting, automation scripting, documentation, and collaboration with application teams to ensure scalable, compliant, mission-critical infrastructure.

Provide Tier III database administration and O&M support for enterprise applications: monitor and tune SQL Server/MySQL, resolve critical incidents, maintain environments, manage backups/recovery, update documentation, support SDLC/Agile processes, and coordinate security and operational tasks.

Lead QA for enterprise engineering, operations, and tech refresh services. Develop and report KPIs, drive process improvements, support governance/audits, manage risk and readiness, and ensure service quality across lifecycle.

Senior IT support role providing technical analysis, system lifecycle and configuration management, and documentation for Navy IT systems. Ensure compliance with DoD/DoN/NAVSEA cybersecurity policies, troubleshoot issues, coordinate with stakeholders, and prepare technical briefings to support IT modernization and accreditation.

Maintain, monitor, and administer corporate and broadcast IT infrastructure to support business and live broadcast workflows. Provide on-site live event support, troubleshoot complex issues, manage Office 365/Exchange hybrid email and Active Directory, mentor Tier 1 staff, maintain documentation, coordinate changes, and recommend equipment upgrades while providing 24/7 event coverage.

Provide Tier II and Tier III IT support, manage incident resolution, and ensure exceptional user experiences in a classified environment.

Manage enterprise cybersecurity support programs, overseeing contract execution, staffing, and customer communications, while ensuring compliance with federal governance standards.

Design, build, and operate secure, compliant IT infrastructure for public-sector environments. Administer Okta, Jamf, GCC High/Azure Gov and other SaaS, automate identity lifecycle with Okta Workflows, support IT Services escalations, produce audit artifacts, maintain zero-trust controls, and manage change in regulated environments.

Provide Tier II and Tier III IT support, manage incident resolution, and ensure exceptional customer service in a classified environment.

The Director of IT Sales and Account Management leads strategic initiatives to drive growth, manages key accounts, and develops partnerships while focusing on team development and operational excellence.