Senior System Engineer - Shawnee, KS

Gabriel Defense; Shawnee (KS); On-site; USD 85,000 - 120,000; Full time

Job summary

Gabriel Defense seeks a Senior System Engineer in Shawnee, KS to lead provisioning, installation, configuration, operation, and maintenance of our systems and infrastructure. The role supports MSP service delivery by planning, scoping, implementing, and transitioning technical solutions across multiple client environments while ensuring SLA alignment and long-term supportability.

Required: a Bachelor's degree and six to ten years of system administration experience; MCSE/CCNA or similar

Qualifications

• Bachelor's degree in a technical field (engineering or CS) required.
• Six to ten years of system administration experience.
• Systems Administration/System Engineer certification in Unix and Microsoft.

Responsibilities

• Engineer solutions for project and operational needs.
• Install and configure servers and related hardware per standards.
• Maintain system standards and install/configure software.
• Plan and implement automation to improve efficiency.
• Coordinate with MSP teams to meet SLA requirements.

Skills

PowerShell

Active Directory

Virtualization

Office 365 Entra

Education

Bachelor's Degree

Job description

Job Details

Level: Experienced

Job Location: Shawnee, KS 66226-2284

Position Type: Full Time

Education Level: Bachelor's Degree

Salary Range: $85,000.00 - $120,000.00

Salary Travel Percentage: Up to 25%

Job Shift: Varies

Job Category: Information Technology

The Senior System Engineer (SSE) is responsible for effective provisioning, installation/configuration, operation, and maintenance of systems hardware and software and related infrastructure. This individual participates in technical research and development to enable continuing innovation within the infrastructure. This individual ensures that system hardware, operating systems, software systems, and related procedures adhere to organizational values, enabling staff, volunteers, and Partners.

This individual will support MSP service delivery by helping plan, scope, implement, and transition technical solutions across multiple client environments. Responsibilities include assessing client needs, defining business and technical benefits, documenting standards, assisting with onboarding and migration efforts, and ensuring projects are delivered in a way that improves long-term supportability. The Senior Systems Engineer will work closely with internal service desk, project, and account management teams to move solutions from planning through implementation while maintaining clear communication, accurate PSA documentation, and alignment with client expectations and SLA requirements.

Essential Functions

• Engineer solutions for various project and operational needs.
• Install new / rebuild existing servers and configure Servers, Desktop hardware, peripherals, services, settings, directories, storage, etc. in accordance with standards and project/operational requirements.
• Install and configure systems such as supports technology infrastructure applications or Asset Management applications.
• Develop and maintain installation and configuration procedures.
• Contribute to and maintain system standards.
• Research and recommend innovative, and where possible automated approaches for system administration tasks. Identify approaches that leverage our resources and provide economies of scale.
• Perform other duties and responsibilities as assigned by the General Manager

MSP Client Support

• Manage and support IT infrastructure across multiple client environments, maintaining consistent standards while adapting to each client's unique environment and requirements.
• Monitor client systems, networks, and endpoints using RMM (remote monitoring and management) tooling; respond to and resolve alerts within defined SLA windows.
• Document client environments, configurations, and changes in the PSA/ticketing system to maintain accurate, up-to-date records for the team.
• Perform onboarding of new MSP clients, including network assessments, infrastructure documentation, and migration of systems to managed standards.
• Coordinate with account managers and client stakeholders on project scoping, timelines, and technical recommendations.
• Escalate and collaborate with vendors (ISPs, hardware/software vendors, cloud providers) on behalf of clients to resolve complex issues.
• Contribute to and enforce standardized client environment baselines to improve supportability and reduce ticket volume across the client base.

Operations & Support

1. Perform daily system monitoring, verifying the integrity and availability of all hardware, server resources, systems, and key processes, reviewing system and application logs, and verifying completion of scheduled jobs such as backups.
2. Perform regular security monitoring to identify any possible intrusions.
3. Perform daily backup operations, ensuring all required file systems and system data are successfully backed up to the appropriate media, recovery tapes or disks are created, and media is recycled and sent off site, as necessary.
4. Perform regular file archival and purge, as necessary.
5. Repair and recover from hardware or software failures. Coordinate and communicate with impacted constituencies.

Maintenance

1. Apply OS patches and upgrades on a regular basis, and upgrade administrative tools and utilities. Configure / add new services, as necessary.
2. Upgrade and configure system software that supports technology infrastructure applications or Asset Management applications per project or operational needs.
3. Maintain operational, configuration, or other procedures.
4. Perform periodic performance reporting to support capacity planning.
5. Perform ongoing performance tuning, hardware upgrades, and resource optimization as required. Configure CPU, memory, and disk partitions as required.
6. Maintain data center environmental and monitoring equipment.

Competencies

• Excellent professional communication and organizational skills.
• Collaborator with strong Commercial Awareness.
• Strong decision-making and problem-solving abilities.
• Excellent time management skills and purposeful performance.
• Demonstrates ethical integrity while completing essential functions.

Strong Competencies

• Power Shell
• Active Directory and Virtualization Environments
• VMware, ESXi, Hyper-V, Cisco, Meraki, Strong Windows Server through 2022
• Microsoft Office 365 and Entra environments

Preferred

• MCSE, CCNA, CCENT Security, AZ-800

Supervisory Responsibilities

Functions as a lead worker doing the work similar to those in the work unit; responsibility for training, instruction, setting the work pace, and possibly evaluating performance.

Work Environment

This job operates in a professional office environment. This role routinely uses standard office equipment.

Physical Demands

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job.

While performing the duties of this job, the employee is occasionally required to stand; walk; sit; use hands to finger, handle, or feel objects, tools, or controls; reach with hands and arms; climb stairs; talk or hear. The employee must occasionally lift or move office products and supplies, up to twenty pounds.

Position Type/Expected Hours of Work

This is a full-time position. Days and hours of work are Monday through Friday, 8:00 a.m. to 5:00 p.m. Responsibilities sometimes require working evenings and weekends, sometimes with little advanced notice. No regular travel required for this position.

Required Education and Experience

• Bachelor (4-year) degree, with a technical major, such as engineering or computer science preferred.
• Systems Administration/System Engineer certification in Unix and Microsoft.
• Six to ten years of system administration experience.

Disclaimer

Gabriel Defense provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.

Other Duties

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice.

Qualifications

• Bachelor (4-year) degree, with a technical major, such as engineering or computer science preferred.
• Systems Administration/System Engineer certification in Unix and Microsoft.
• Six to ten years of system administration experience.

Competencies

• Excellent professional communication and organizational skills.
• Collaborator with strong Commercial Awareness.
• Strong decision-making and problem-solving abilities.
• Excellent time management skills and purposeful performance.
• Demonstrates ethical integrity while completing essential functions.

Strong Competencies

• Power Shell
• Active Directory and Virtualization Environments
• VMware, ESXi, Hyper-V, Cisco, Meraki, Strong Windows Server through 2022
• Microsoft Office 365 and Entra environments

Preferred

• MCSE, CCNA, CCENT Security, AZ-800