Sr. System Administrator
Stellar IT Group
Overview: Sr. System Administrator Houston, TX 6-12+ Months Contract Required Qualifications:
- 7+ years of experience as a System Administrator, Infrastructure Administrator, Network Administrator, or similar role.
- Strong expertise supporting enterprise on-premises infrastructure, including Windows Server, Linux, Active Directory, DNS, DHCP, storage, virtualization, and networking technologies.
- Hands-on experience administering VMware virtualization technologies.
- Experience designing, implementing, and supporting hybrid environments that integrate on-premises and cloud infrastructure.
- Hands-on experience with one or more cloud platforms including AWS, Google Cloud Platform (GCP), Microsoft Azure, or equivalent cloud technologies.
- Strong understanding of cloud networking, identity management, security, monitoring, backup, and disaster recovery concepts.
- Experience with Infrastructure as Code (IaC) tools such as Terraform, AWS CloudFormation, ARM/Bicep, Ansible, Pulumi, or similar technologies.
- Proficiency in scripting and automation using PowerShell, Bash, Python, or similar languages.
- Strong knowledge of network configuration and management, including firewall administration.
- Experience administering Active Directory, domain controllers, and Group Policy.
- Experience with SonicWall and Palo Alto firewalls.
- Knowledge of storage solutions including Isilon, Vblock, VxRail, Data Domain, and Avamar.
- Excellent troubleshooting, analytical, and problem-solving skills.
- Ability to work independently and collaboratively within a team environment.
- Strong organizational, communication, and documentation skills.
- Experience managing third-party vendors and service providers.
- Demonstrated project management experience, including planning, execution, and delivery of infrastructure initiatives.
- Strong soft skills, including the ability to communicate technical concepts effectively to both technical and non-technical audiences.
- Proactive, self-motivated attitude with a commitment to continuous learning and improvement.
- Certifications such as:
- AWS Certified SysOps Administrator
- AWS Solutions Architect Associate
- Google Associate Cloud Engineer or Professional Cloud Architect
- Microsoft Azure Administrator Associate
- VMware VCP
- CompTIA Network+
- CompTIA Security+
- Experience with other system administration tools and technologies (e.g., Active Directory, DNS, DHCP).
- Knowledge of ITIL best practices and documentation standards.
- Experience implementing Infrastructure as Code (IaC) and DevOps practices in enterprise environments.
- Experience with CI/CD pipelines and automation frameworks.
- Experience supporting containerization technologies such as Docker and Kubernetes.
- Knowledge of ITIL best practices and documentation standards.
Vacancy posted 2 days ago
Similar jobs that could be interesting for youBased on the Sr. System Administrator in Houston, TX vacancy
- ...JOB SUMMARY The Sr. Systems Administrator is responsible for the maintenance, configuration, and reliable operation of computer systems and servers. This role involves ensuring that the availability of systems is maintained, performance is optimized, and that...SeniorLocal area
Baylor Genetics
Houston, TX4 days ago - ...NAVA Software solutions is looking for a Sr. System Admin Details: Sr. System Admin Location: Houston, TX (Need... ...time/ Direct Hire Summary: The Senior Systems Administrator is responsible for the operations of servers, network, and container...SeniorFull timeWork at office
Nava Software Solutions
Houston, TX19 hours ago - ...Job Description We're searching for a Senior Systems Administrator , someone who's ready to be part of the best ranked children's hospital in Texas, and among the best in the nation. In this position, you will maintain and administer software and hardware on major...SeniorLocal area
Texas Children's Hospital
Houston, TX2 days ago - ...the expert-level technical criteria, structural engineering responsibilities, and leadership expectations for the Senior IT System Administrator role at Foxconn Industrial Internet. ● 1.3. Mission: The Senior System Administrator is responsible for designing, optimizing...SeniorWeekend work
Foxconn Technology Group
Houston, TX4 days ago - ...Analyst Sr System AdminContract – 12+ monthHybrid – 3 days onsite/2 days work from homeHouston, TXWe are looking for an Endpoint Solutions... ....Certification in Microsoft 365 Certified: Modern Desktop Administrator Associate, Microsoft 365 Certified: Enterprise Administrator...Senior
Royal & Ross
Houston, TX1 day ago - ...and diverse backgrounds to help us envision, shape, and deliver systems that will enable the exploration of space while benefiting... ...United States. We have an exciting opportunity for a Senior System Administrator to join the JETSII Contract. The Senior System Administrator...SeniorHourly payPermanent employmentContract workWork experience placementWork at officeLocal area
- Novum Energy is seeking an experienced systems administrator to maintain Windows Server infrastructure, AD, and Group Policy. The role supports Microsoft 365, Azure, and Entra ID environments, while monitoring endpoints with EDR tooling and reviewing security logs. You...Senior
- What We Are Looking ForAs a SR Network Design Specialist, you are responsible for designing... ...networks (e.g., AT&T Private IP), Cisco Systems' IOS, Juniper Networks' JunOS, IPSEC... ...and PowerPoint.Competence with network administration and testing tools, including but not...SeniorWork experience placement
- ...Job Title: Sr. Server Administrator Location: Houston, TX - Onsite Duration: 12+ Months Note: Need Local and W2 Candidates Only... ...Server 2016 to the latest supported and certified operating systems. All upgrades are on prem infrastructure. Technologies...SeniorLocal area
Brilliant Infotech Inc
Houston, TX1 day ago - ...storage, and cloud infrastructure. The ideal candidate is a strong hands-on Linux engineer who can go beyond basic administration to troubleshoot complex system issues, understand what is happening at the process and service level, identify root causes, and implement...SeniorHouston, TX6 days ago
- Job Summary The Senior IT Network Administrator at Community is critical in managing the day-to-day operations and maintenance of the organization... ..., performance, and security of Community's IT networking systems. Architect secure, resilient, and scalable network solutions...SeniorWork experience placementWork at office
- ...Description Job Summary: The Senior Salesforce Administrator is responsible for the administration,... ...resource for the platform, ensuring system reliability, supporting users,... ...****@*****.***. com and mention Sr Salesforce Administrator Position. \nCompany...Senior
Key Energy Services
Houston, TX3 days ago - ...environments. We are seeking an experienced SQL Server Database Administrator with strong expertise in Microsoft SQL Server, PostgreSQL, and... ..., and support highly available database environments across production, development, testing, and disaster recovery systems while...Senior
Randstad
Houston, TX19 hours ago $119k - $198.9k
...Experience Cloud, and Financial Service CloudExperience in Lightning (Aura and LWC)Bachelor's degree in computer science, information systems, or a technology field; or equivalent years of experience.Ability to travel 50%, on average, based on the work you do and the...SeniorLocal areaVisa sponsorship$110.7k - $218.3k
...immigration sponsorship may be availablePreferred Masters Degree or advanced degree in the area of specialization Experience defining systems strategy, roadmap, developing process flow diagrams, user journeys and stories, developing business and systems requirements,...SeniorLocal area$63 - $73 per hour
...environments. We are seeking an experienced SQL Server Database Administrator with strong expertise in Microsoft SQL Server, PostgreSQL, and... ...production, development, testing, and disaster recovery systems while driving automation and operational excellence. The ideal...SeniorHourly payContract workTemporary workWork experience placementRandstad
Houston, TX2 days ago- ...Senior Network Administrator We are seeking a Senior Network Administrator with experience in VLAN / VLAN segmentation to join our team... ...responsibilities include: ~80% administration tasks including system maintenance, troubleshooting, and performance monitoring. ~2...Senior
Saviance
Houston, TX1 day ago $64.2k - $81.85k
...System Administrator We are looking for an innovative and dynamic ServiceNow Administrator to join our IT team. You will oversee the configuration and administration of our ServiceNow platform to ensure it meets the needs of our user community. In this role, you will...Work experience placementWork at officeLocal areaTexas Southern University
Houston, TX4 days ago- ...Systems Administrator The Systems Administrator serves as a versatile technical resource for employees across all Alterman locations, providing both on-site and remote support. This role combines service desk support, endpoint administration, field support, and IT service...Temporary workWork at officeRemote workRelocationFlexible hoursWeekend workAfternoon shiftEarly shift
Alterman, Inc.
Houston, TX19 hours ago - ...We are excited to announce we are expanding and looking to grow our team with a new System Administrator! Our Company Culture: Our diverse workforce allows Centre to develop and leverage knowledge, skills, and experiences that impact our overall success. Within our...Work at office
Centre Technologies
Houston, TX2 days ago - ...IDR is seeking a Systems Administrator to join one of our top clients for an opportunity in Houston, TX . In this role, you will support enterprise telecommunications, unified communications, and contact center operations in a fast-paced environment. You'll partner with...
IDR Healthcare
Houston, TX7 hours ago - ...26 3:27 PM Central Max Number of Applicants: 150 Position Description Job Summary: The Infrastructure Systems Administrator is responsible for designing, building, and maintaining the core localized infrastructure that supports the department's strategic...Full timePart timeWork experience placementWork at officeLocal areaRemote workFlexible hours
Harris County, TX
Houston, TX3 days ago - ...Position Type: Technology/Systems Administrator Date Posted: 6/2/2026 Location: Network Operations Center PRIMARY PURPOSE: Manage, maintain, support, and secure the district's technology infrastructure, servers, network systems, cloud environments...
Sheldon Independent School District
Houston, TX19 hours ago - ...ManhattanLife continues to grow our business and our technology team. We currently have an opportunity for an experienced Systems Administrator at our Houston, Texas headquarters. This position is responsible for the administration, security, reliability, and optimization...Work at officeImmediate startRemote workFlexible hours
ManhattanLife
Houston, TX19 hours ago $77k - $202k
Industry/SectorNot ApplicableSpecialismFunctional & Industry TechnologiesManagement LevelSenior AssociateJob Description & SummaryAt PwC, our people in business application consulting specialise in consulting services for a variety of business applications, helping clients...SeniorFull timeH1b$120k - $130k
...Senior Network Administrator Location: Houston, Texas Type: Direct Hire Salary: $120,000 - $130,000 The Senior Network Administrator... ...measures, including firewalls, intrusion detection/prevention systems, and access control policies. Monitor and analyze network...SeniorRemote workClearpoint
Houston, TX19 hours ago- ...power the future of energy? Join Hitachi Energy as an Energy Systems Integration Engineer and help shape the digital backbone of tomorrow... ...experience in years5+ years of experience in Linux system administration and automationProficiency with Ansible, Python, and shell...SeniorFull time
- ...Job Description Job Title: System Administrator II Location: Caroline Street, Houston TX 77002 (Hybrid (4 onsite, 1 WFH)) Contract CJIS required: YES PPA #: 12784, 12777 Project and Requirements The project involves administering, maintaining...Contract workTemporary workWork from home
BuzzClan LLC
Houston, TX9 days ago - ...Job Title: System Administrator II Location: Onsite, Houston TX - 5 days in office work schedule- location is Houston, TX 77002 Hire Type: Contract Position Summary The Telecom Specialist provides telecommunications, unified communications, and contact...Contract workWork at office
Infojini Inc
Houston, TX1 day ago - ...on-prem environments. - Develop, test, maintain, and deploy system images and standardized configurations to support secure and consistent... ...Job-Specific Minimum Requirements: - 7+ years of system administration experience within enterprise IT environments - Ability to...Minimum wageContract workTemporary workWork experience placementRemote work
MAXIMUS
Houston, TX3 days ago
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Sr. System Administrator. Be the first to apply!
Related searches
- IT infrastructure administrator Houston, TX
- application system administrator Houston, TX
- enterprise administrator Houston, TX
- computer systems administrator Houston, TX
- remote systems administrator Houston, TX
- IT administrator Houston, TX
- system admin Houston, TX
- server administrator Houston, TX
- systems administrator Houston, TX
- microsoft systems administrator Houston, TX