TISTA Science and Technology Corporation

Senior Windows System Administrator

5–10+ years in Windows system administration; Windows Server, Active Directory, Group Policy; PowerShell; Kubernetes/OpenShift; virtualization; monitoring; networking fundamentals.

5–10+ years in Windows system administration; strong Windows Server, AD, Group Policy; Kubernetes/OpenShift; virtualization; networking fundamentals; scripting; monitoring and DR; security/compliance.

Senior Linux System Administrator

5+ years advanced Linux sysadmin; enterprise Linux management; virtualization/cloud; scripting/automation; security/compliance; automation and IaC; documentation/operational excellence.

Technical IBM Mainframe Applications/Systems Analyst

5+ years IBM mainframe system programming; strong z/OS, SMP/E, JCL/TSO/ISPF; DASD/SMS/DFSMS; strong troubleshooting and documentation; on-call capable.

Senior Linux Software/System Architect

Experience with AWS/Azure cloud design, Linux in cloud, IaC, automation (Ansible), cloud security, monitoring, and networking.

Senior Software/System Architect (Keysight Ixia)

Senior Software/System Architect

Proven experience with Keysight Ixia; VA security requirements; integration with Dynatrace, Splunk, ServiceNow, ForeScout; hybrid cloud and network security; strong documentation and communication.

5+ years advanced Linux administration; enterprise Linux experience; virtualization/cloud experience; scripting/automation; on-call rotation may be required; data center/cloud environments.

Functional Area Expert II (Linux/Unix)

Functional Area Expert II

Extensive Linux/Unix system administration experience; strong research, leadership, and collaboration skills; familiarity with security, virtualization, automation, and cloud platforms.

Senior System Engineer

Extensive IT experience in analysis, design, and integration of information systems; SharePoint, Power Platform; education: Master’s plus 10 years; Tier 2 background clearance.

SharePoint Online and Power Platform integration, business requirements gathering, UX, Agile, automation design, coding, and background investigation readiness.

Senior SharePoint Applications/Systems Analyst

SharePoint Applications/Systems Analyst

5+ years in systems analysis, application support, SharePoint administration, or enterprise SaaS support; strong SharePoint Online/Microsoft 365; customer success focus; ITSM tooling; CM; troubleshooting; documentation; communication.

Business Architect/Design

Experience integrating cloud-based solutions; big data; SDLC; RESTful integrations; cloud migrations; program leadership; security practices; Azure cloud services; end-to-end process automation.

Information Security Analyst (Entry Level)

Information Security Analyst

Entry-level information security analyst with knowledge of security frameworks and cloud IT platforms.

Solutions Architect

10+ years in healthcare-focused business solutioning, SDLC expertise (agile/waterfall), strong communication, architectural leadership, and government clearance readiness.

TISTA Science and Technology

Program Manager

10+ years in Health IT program management; exp with EDI, HIPAA, and federal healthcare programs; client-facing; Agile; cross-functional leadership.

10+ years program management in Health IT; experience with EDI; federal/healthcare environment; agile; HIPAA compliance.

5+ years in systems analysis, SharePoint administration, or enterprise SaaS support; strong SharePoint Online/Microsoft 365 experience; proficient with ITSM tools; excellent communication and documentation skills.

5+ years in systems analysis or enterprise SaaS support; strong SharePoint Online/Microsoft 365 experience; ITSM tools; strong documentation and communication; federal/healthcare familiarity preferred.

Power BI Functional Tester

10+ years experience; 3+ years BI; 1+ year Power BI; strong SQL; Agile; Bachelor in CS/Engineering; Tier 2/Modest background check.

10+ years experience; 3+ years BI reporting; 1+ year Power BI; strong SQL; Agile testing; Bachelor’s in CS/Engineering; Tier 2/Modest background check.

PMP certification; experience leading large-scale IT deployments; proficient in MS Office and MS Project; knowledge of data center IT infrastructure and security; able to work remotely in the USA.

PMP required; extensive large-scale project management experience; MS Project and MS Office tools; IT infrastructure, cloud, Windows/Linux, and security knowledge.

Technical Project Manager

10+ years program management; 5+ years leading LeSS/SAFe; VA VIP experience; PMP/CSM; Master’s degree; MBI clearance.

15+ years experience; 5+ years leading large-scale agile programs (LeSS/SAFe); VA VIP experience; PMP/SAFe/CSM certs; Master’s degree; ability to obtain MBI clearance.

10+ years' PM experience; 5+ years leading programs with LeSS/SAFe; VA VIP experience; PMP; Lean Six Sigma; Pega; EDI knowledge; master's degree; ability to obtain MBI clearance.

Title	Location	Date
Senior Windows System Administrator Full Time · 5+ YOE Austin, Texas, United States · Onsite	Austin, Texas, United States Onsite	May 1, 2026
Senior Windows System Administrator Full Time · 5+ YOE Austin, Texas, United States · Onsite	Austin, Texas, United States Onsite	May 1, 2026
Senior Linux System Administrator Full Time · 5+ YOE Austin, Texas, United States · Onsite	Austin, Texas, United States Onsite	May 1, 2026
Technical IBM Mainframe Applications/Systems Analyst Full Time · $49K-$58K · 5+ YOE United States · Remote	United States Remote	May 1, 2026
Senior Linux Software/System Architect Full Time · 10+ YOE Austin, Texas, United States · Onsite	Austin, Texas, United States Onsite	May 1, 2026
Senior Software/System Architect (Keysight Ixia) Full Time · $91K-$104K · 10+ YOE United States · Remote	United States Remote	May 1, 2026
Senior Linux System Administrator Full Time · 5+ YOE Austin, Texas, United States · Onsite	Austin, Texas, United States Onsite	May 1, 2026
Functional Area Expert II (Linux/Unix) Full Time Austin, Texas, United States · Onsite	Austin, Texas, United States Onsite	May 1, 2026
Senior System Engineer Full Time · $80K-$98K · 10+ YOE United States · Remote	United States Remote	May 1, 2026
Senior Software/System Architect Full Time · $93K-$106K · 10+ YOE United States · Remote	United States Remote	May 1, 2026
Senior SharePoint Applications/Systems Analyst Full Time · $53K-$64K · 5+ YOE United States · Remote	United States Remote	May 1, 2026
Business Architect/Design Full Time · $65K-$83K · 10+ YOE United States · Remote	United States Remote	May 1, 2026
Information Security Analyst (Entry Level) Full Time · $35K-$43K · 0+ YOE United States · Remote	United States Remote	Apr 29, 2026
Solutions Architect Full Time · $80K-$95K · 10+ YOE United States · Remote	United States Remote	Apr 29, 2026
Program Manager Full Time · $101K-$121K · 10+ YOE United States · Remote	United States Remote	Apr 27, 2026
Program Manager Full Time · $101K-$121K · 10+ YOE United States · Remote	United States Remote	Apr 27, 2026
Senior SharePoint Applications/Systems Analyst Full Time · $53K-$64K · 5+ YOE United States · Remote	United States Remote	Apr 27, 2026
Senior SharePoint Applications/Systems Analyst Full Time · $53K-$64K · 5+ YOE United States · Remote	United States Remote	Apr 27, 2026
Power BI Functional Tester Full Time · $73K-$82K · 10+ YOE United States · Remote	United States Remote	Apr 24, 2026
Power BI Functional Tester Full Time · $73K-$82K · 10+ YOE United States · Remote	United States Remote	Apr 24, 2026
Program Manager Full Time · $89K-$103K · 10+ YOE United States · Remote	United States Remote	Apr 24, 2026
Program Manager Full Time · $89K-$103K · 15+ YOE United States · Remote	United States Remote	Apr 24, 2026
Technical Project Manager Full Time · $65K-$75K · 10+ YOE United States · Remote	United States Remote	Apr 22, 2026
Technical Project Manager Full Time · $85K-$97K · 15+ YOE United States · Remote	United States Remote	Apr 22, 2026
Technical Project Manager Full Time · $65K-$75K · 10+ YOE United States · Remote	United States Remote	Apr 22, 2026

Name	TISTA Science and Technology Corporation
Headquarters	US
Industries	IT ServicesGovernment Contracting
Activities	Software development servicesCybersecurity consulting servicesIT systems engineeringCloud migration servicesData management services
Type	Private
Employees	750
Tagline	Provides technology and cybersecurity services to federal government agencies.
Founded	2,005
Website	tistatech.com

TISTA Science and Technology Corporation

About TISTA Science and Technology Corporation