- ISC2 (Richmond, VA)
- …and service management processes, ensuring auditability and business continuity. + Provide Tier 3 escalation support and guide resolution of complex technical ... and enterprise-grade Cisco switches, ensuring high availability of communications and network services. + Establish and monitor enterprise metrics for availability,… more
- Global Resource Solutions (Arlington, VA)
- …and advisory council meetings + Strong background in Patch/Configuration management, DevOps, and tier 3 support Assist team to design, integrate, and implement ... security program policy; special emphasis placed upon integration of existing SAP network infrastructures + Perform analysis of network security, based upon… more
- BAE Systems (Sterling, VA)
- … 2 incident response by troubleshooting escalated issues, restoring service, and escalating to Tier 3 as needed. + Directly assist end users and mission partners ... the verification of system performance. Responsibilities include: Systems Administration & Operations + Administer and troubleshoot Linux and Windows servers in AWS… more
- General Dynamics Information Technology (Chantilly, VA)
- …+ Provide remote end user support and remotely work with and train geographically disperse Tier 2 and Tier 3 team members + Communicate effectively (in ... **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and Operations **Skills:** Linux Environments,Red Hat Ansible,System Administration **Experience:** 1… more
- Sunnova Energy International Inc. (Virginia Beach, VA)
- …services to homeowners within the United States and its territories through our network of local solar dealers and solar standard community homebuilders. Our mission ... our fleet. The Solar Electrician I's primary responsibility is to support Operations & Maintenance (O&M) activities by providing quick responses to maintain the… more
- Nutanix (Richmond, VA)
- …and databases. + Experience managing Layer 4 firewalls with knowledge of Layer 2 and Layer 3 network design and operations . + Familiarity with Azure and AWS ... aligned, secure, scalable hybrid cloud solutions. + Design and implement network , virtualization, and application strategies. + Provide pre-sales support as a… more
- Leidos (Bluemont, VA)
- …Enterprise Information Technology Secure Services & Support (HEITS) for the continued operations and maintenance and evolution of the Homeland Secure Data Network ... Leidos is seeking a broadly experienced Candidate to provide Tier 1 and 2 support for multiple domains with...for "how it's always been done." **Original Posting:** October 3 , 2025 For US Positions: While subject to change… more
- Insight Global (Suffolk, VA)
- …and consolidation of legacy workloads into virtual or hyperconverged platforms . Provide Tier 3 support and root cause analysis for complex virtualization and ... but also possess a broad systems perspective, understanding how computing, storage, network , security, and cloud platforms integrate within a modern IT enterprise… more
- CACI International (Sterling, VA)
- …needed across portfolio of systems + Champion special projects and technical upgrades + Monitor Tier 2 and 3 support ticket queues to promote rapid response by ... of issues and outages. You will interact with product development teams, network services, cybersecurity, and customer service teams to coordinate operations … more
- ASM Research, An Accenture Federal Services Company (Richmond, VA)
- …database administration, software quality assurance/quality control, software engineering, network telecommunications, and infrastructure operations of ... implement upgrades and patches to AIX OS. + Provides tier 2 and 3 supports for escalations...+ Participate in on-call rotations to provide 24x7x365 infrastructure operations support. + Support infrequent after hours and weekend… more