Senior Systems Engineer

4560 Lockhill-Selma Rd
San Antonio, TX 78249, USA

Position
:
Senior Systems Engineer
Department
: IT Services
Reports To
:
Help Desk Supervisor
Salary Grade
: DOE
FLSA Status
:
Full‑Time / Exempt / Salary
Location
:
San Antonio, TX

DOCUmation is a privately‑owned technology solutions company that provides IT, print, and software‑managed services to businesses and other organizations throughout Texas. Headquartered in San Antonio, TX, we have served customers for more than 30 years.

The Senior Systems Engineer designs, implements, and manages servers, networks, and backup infrastructures for new or current customers. The role also analyzes, builds, and resolves escalated client hardware and software issues in a timely manner while mentoring and guiding system and service team members.

• Configure and manage network systems, including routers, switches, and firewalls.
• Implement security protocols and perform regular maintenance to ensure protection and avoid downtime.
• Optimize network performance and resolve connectivity issues promptly.
• Monitor traffic and collaborate with IT teams to integrate new technologies.

• Install, configure, manage, and optimize Windows and Linux server operating systems.
• Deploy software updates, patches, and maintain virtual machines using platforms such as VMware or Hyper‑V.
• Monitor server performance, implement backup solutions, and diagnose and resolve server issues while ensuring security protocols.
• Conduct routine security audits and vulnerability assessments.

• Diagnose and resolve complex technical problems that Tier 1 and Tier 2 support cannot solve.
• Use advanced diagnostic tools and techniques to identify the root cause of issues.
• Document solutions and update knowledge‑base articles to assist lower‑tier support teams.

• Implement and manage security measures, conduct audits, and handle intrusion detection.
• Create, update, and enforce security policies, and train staff on procedures.
• Collaborate with other departments to reduce risks and monitor network traffic for anomalies.
• Perform vulnerability assessments, penetration tests, and stay updated on cybersecurity trends.

• Design, implement, and maintain secure IT infrastructure.
• Plan scalable solutions and oversee hardware/software deployment.
• Implement security protocols and monitor performance to minimize disruptions.

• Proven experience as an IT Senior Systems Engineer or a similar role.
  • Minimum 10 years of experience in a corporate environment managing server, network, and desktop support.
• Strong knowledge of network configurations, server management, and IT infrastructure design.
  • Fortinet network stack experience preferred.
  • Azure, AWS, and cloud infrastructure experience recommended.
  • Proficiency in managing Office 365 and Entra is required.
  • Proficiency in Windows server operating systems;
    Linux experience recommended.
  • Experience with virtualization platforms such as VMware or Hyper‑V.
• Advanced troubleshooting skills and experience with diagnostic tools.
• Strong understanding of cybersecurity practices and protocols.
• Excellent communication and leadership skills.
• Ability to manage shifting priorities and lead in high‑pressure environments.

• Bachelor’s Degree in Computer Science, Information Systems, or related field.
• Required:
  
  CompTIA Network+, Security+
• Strongly preferred:
  Server+, CISSP, Forti Gate experience.

• Lift up to 50 lbs occasionally.
• Ability to work nights, weekends, and on‑call rotation.
• Emergency on‑site support as needed (e.g., storm recovery).
• Must pass CJIS background check and maintain eligibility.

• Generous Paid Time Off (PTO) policy.
• Parental and caregiver leave.
• Quarterly bonuses for eligible positions.
• Paid holidays.
• 401(k) plan with employer match.
• Free employee‑only health insurance.
• Pre‑paid legal coverage available.
• FSA and HSA options.

DOCUmation is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender, gender identity, national origin, disability, or protected veteran status.