Jobs at Leidos

Designs, builds, supports, and accredits enterprise infrastructure platforms for mission-critical government environments. Responsibilities include administering Windows Server and Red Hat Enterprise Linux through VMware, managing MECM software deployment and patching, configuring Active Directory and network services, tuning performance, applying automation and infrastructure-as-code practices, documenting systems, resolving complex infrastructure issues, and advising customers and engineering teams. The role requires Australian citizenship and an NV1 security clearance.

Manage, design, administer, upgrade, and support enterprise storage and data protection platforms, primarily NetApp and Commvault. Perform backup, restoration, recovery, capacity planning, utilization and performance management, including AIQUM administration. Support ITSM processes, incident and problem management, root cause analysis, post-incident reviews, and secure, reliable storage services in large-scale Defence and government engineering environments.

Establishes and maintains configuration management controls for complex systems across hardware, software, documentation, and supporting environments. Responsibilities include developing configuration plans and baselines, administering change control, maintaining configuration status accounting, coordinating audits and reviews, supporting releases, and ensuring records are accurate, controlled, traceable, and accessible. The role collaborates with engineers, quality teams, project managers, and customers on regulated and mission-critical programs.

Designs, builds, supports, and accredits enterprise infrastructure platforms for mission-critical government environments. Responsibilities include translating requirements into platform designs, administering Windows Server and Red Hat Enterprise Linux through VMware, managing Active Directory and network services, tuning performance, automating infrastructure delivery, documenting systems, and resolving complex infrastructure issues with customers and engineering teams.

Provides first-level ICT support in a secure Defence environment, troubleshooting hardware, software, user accounts, connectivity, workstations, devices, and endpoints. Responsibilities include equipment setup, secure network patching, cabling, hardware replacement, user assistance, patching, and routine system health activities. The role is designed for Defence personnel transitioning into ICT and requires adherence to classified-system procedures, effective communication, and practical problem-solving.

Leads technical delivery of complex software and platform solutions in secure environments. Responsibilities include solution design, application uplift, platform migration, systems integration, deployment readiness, technical risk management, and mentoring software and platform engineers. The role coordinates application, infrastructure, security, and integration workstreams while supporting containerized deployments using Docker, Kubernetes, OpenShift, Helm, GitOps, and CI/CD practices.

Designs, deploys, documents, and sustains complex ICT infrastructure, networks, servers, hardware, software, and portable devices. Implements infrastructure cybersecurity controls, including hardening, patching, firmware updates, audits, and ISM compliance. Supports Agile planning, user stories, estimation, systems integration, and stakeholder collaboration across secure, mission-critical technology programs.

Designs and governs enterprise hybrid cloud, hosting, virtualization, identity, and platform architectures for Defence and national security customers. Develops technology roadmaps, reference architectures, migration strategies, operating models, and design patterns across AWS, Azure, and enterprise data centers. Leads architecture governance, technical assurance, workshops, and stakeholder engagement while guiding platform modernization, containerization, security, and infrastructure transformation initiatives.

Support the availability, performance, resilience, and reliability of secure production platforms. Provide Level 2 and Level 3 incident response, root cause analysis, monitoring, logging, observability, automation, infrastructure as code, configuration management, and CI/CD improvements. Collaborate with engineering and operations teams to maintain high-availability systems and implement sustainable corrective actions in a mission-critical national security environment.

Build, support, and evolve secure cloud and hybrid platforms for business-critical applications. Automate infrastructure and application delivery using Infrastructure as Code, CI/CD, scripting, and deployment tooling. Improve reliability, performance, observability, security, and operational efficiency through monitoring, vulnerability remediation, lifecycle management, and resilience practices. Collaborate with developers, architects, cybersecurity teams, infrastructure staff, and business stakeholders to enhance platform capabilities and deployment processes.

Provide Level 2/3 systems administration for a virtual data centre supporting geospatial programs: maintain Linux (RHEL) and Windows Server environments, manage virtual servers (vSphere, AppV), script with PowerShell/Python, create MECM advertisements/collections/packages, troubleshoot complex issues, and collaborate with network, technical teams and stakeholders.

Seeking System Administrators with TSPV clearance to manage operational systems, support databases, provide technical support, and recommend technology solutions.

Manage and optimise secure cloud platforms (Azure/AWS), resolve incidents, automate operations with scripting and IaC, strengthen security via patching and compliance, and partner with engineering, cyber security and customers to deliver resilient cloud services.

Operate and sustain on-premises Kubernetes infrastructure for mission-critical platforms. Provide L2/L3 incident response and root cause analysis, develop monitoring and SLO-driven observability, automate operations with IaC and scripting, and support CI/CD and virtualised/cloud environments to improve resilience and reliability.

Develop and govern pricing strategies for complex defence and technology-service opportunities. Build financial models, business cases, and pricing scenarios; assess market rates, competitor approaches, risks, and commercial outcomes; and align pricing with delivery models. Support bid teams and commercial negotiations, then provide post-award financial governance. The role requires Australian citizenship and a Baseline clearance or eligibility to obtain one.

The ServiceNow Consultant leads platform improvement, remediation, governance, architecture, configuration, integrations, workflows, automation, and Evergreen maintenance. The role translates business and technical requirements into scalable ServiceNow solutions, supports ITSM best practices, coordinates platform operations, engages stakeholders and vendors, mentors team members, and contributes to training, change management, documentation, security compliance, and user adoption.

Manage and maintain enterprise network infrastructure, including switches, routers, firewalls, wireless access points, and security controls. Provide Level 2 and Level 3 incident response, troubleshoot complex connectivity issues, monitor network performance and capacity, optimize infrastructure, and maintain accurate configuration, topology, and operational documentation in a secure government environment.

Provide frontline first- and second-level service desk and end-user computing support across a secure, multi-site operational environment. Troubleshoot Windows, Microsoft 365, hardware, software, connectivity, remote access, telephony, and enterprise application issues. Manage incidents and service requests, administer user accounts, deploy and maintain devices, support onboarding, maintain asset records and documentation, coordinate vendors and repairs, and contribute to continuous service improvement.

Lead design, implementation, administration, optimisation and automation of Microsoft SQL database services across private and public clouds. Ensure performance, availability, security, CI/CD integration, and collaborate with engineering and infrastructure teams to maintain governed, reliable platforms.

Administer, secure, and optimize enterprise Active Directory and hybrid identity services. Responsibilities include managing domains, forests, trusts, replication, Group Policy, DNS, DHCP, authentication, certificate services, and Entra ID integration. The role monitors platform health, resilience, backups, and security; develops PowerShell automation; supports incident investigations; remediates identity risks; and collaborates with cybersecurity, cloud, infrastructure, application, and service management teams.