Enterprise OS Support for
Legacy and Modern IT Platforms
Independent expert Tier-3 engineering, managed services, consulting, hosting, and modernization solutions across HP-UX, UNIX, Linux, Mainframe, virtualization, cloud, and enterprise infrastructure — keeping mission-critical systems secure, compliant, and future-ready. Modernizing on your timeline.
Seven Operating Systems. One Expert Team.
ISP's vetted partner network provides comprehensive support, consulting, and managed services across all major enterprise Unix and Linux platforms. From legacy systems to modern deployments, we have the expertise to keep your infrastructure running smoothly.
AIX
IBM Unix
Expert support for IBM's Advanced Interactive eXecutive (AIX) running on Power Systems. From system administration to performance tuning and troubleshooting.
HP-UX
Hewlett Packard Unix
Comprehensive HP-UX support for mission-critical enterprise applications running on HP Integrity and PA-RISC servers.
Linux
Open Source Unix-like OS
Multi-distribution Linux expertise including Red Hat, SUSE, Ubuntu, and CentOS for enterprise workloads and cloud deployments.
IRIX
SGI Unix
Specialized support for Silicon Graphics' IRIX operating system, serving industries requiring high-performance computing and graphics.
OpenVMS
Digital Equipment OS
Deep expertise in OpenVMS for VAX, Alpha, and Itanium platforms—supporting legacy and modernization initiatives.
Oracle Solaris
Sun/Oracle Unix
Enterprise-grade Solaris support for SPARC and x86 systems, including Zones, ZFS, and DTrace optimization.
Tru64 UNIX
Digital/Compaq Unix
Specialized support for Tru64 UNIX on Alpha systems, ensuring continuity for mission-critical legacy environments.
Our Three-Phase Approach
We assess your environment, identify priority needs, and build a support plan aligned to your timeline—whether that means stabilizing what you have, extending its life, or planning future modernization.
Stabilize
- Map estate and surface risks
- Fix immediate issues
- Backups and patches
- Eliminate single points of failure
Extend
- Managed services for ongoing ops
- Lifecycle planning beyond OEM
- Documentation and knowledge transfer
- Cost optimization
Modernize
- Plan and execute transformation
- On your terms with clear roadmap
- Cloud migration strategies
- Application modernization
Six Core Service Lines
Comprehensive support tailored to your specific needs, from emergency response to strategic modernization.
Software Support
TIER-3 TECHNICAL SUPPORT
24×7 incident response, root-cause analysis, test lab replication, and extended EOL support for critical systems.
Managed Services
RUN & OPERATE
Remote administration, backup/DR, capacity planning, monitoring, and performance tuning to keep operations running smoothly.
Modernization
TRANSFORMATION
OS/DB migrations, virtualization, cloud replatforming, and application modernization strategies.
Professional Services
STRATEGIC PROJECTS
Assessments, roadmaps, HA/DR design, security hardening, compliance alignment, and custom programming (C/C#, Pascal, Fortran, Java).
Hosting & Infrastructure
US-BASED
Secure hosting, clustered architectures, enterprise storage, and disaster recovery solutions.
Training
KNOWLEDGE TRANSFER
System admin courses, workshops, runbooks, documentation, and mentoring to empower your team.
Platform Expertise
Deep technical knowledge across operating systems, virtualization, databases, and industrial automation.
Operating Systems
- OpenVMS (VAX, Alpha, Integrity/Itanium)
- UNIX (HP-UX, AIX, Solaris/SunOS, Tru64, IRIX)
- Linux (RHEL, CentOS, Rocky, Ubuntu LTS, SUSE)
- Mainframe / IBM (z/OS, mainframe-attached Linux, IBM i)
Virtualization & Emulation
- VMware vSphere / ESXi / vCenter / vSAN
- Proxmox VE and ecosystem
- Hyper-V and other hypervisors
- Legacy system emulation (VAX/Alpha/SPARC/PA-RISC)
Databases & Data Platforms
- Relational (Oracle, IBM Db2, SQL Server, PostgreSQL, MySQL)
- NoSQL & Search (MongoDB, Cassandra, Elasticsearch)
- MultiValue (UniData, Universe/Pick)
- Legacy & Enterprise (Ingres, Informix, Sybase, Progress mainframe databases)
Industrial Automation & OT
- PLC environments (Rockwell, Siemens, others)
- HMI & SCADA platforms
- Industrial networks and gateways
- Historian and plant integration systems
- Data acquisition and control systems
Ready to Secure Your Critical Systems?
Get expert support for your OS environment today. Whether you need to stabilize legacy systems or modernize for the future, we're here to help.
Schedule Consultation