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Senior Oracle System Administrator Jobs in Colorado

nLIGHT

Sr. Systems Administrator

Longmont, CO · On-site

$80K - $120K/yr

Longmont, CO (onsite) Experience: 5+ years System Administration experience across Windows Server ... This role partners closely with the Senior System Administrator to maintain reliable operations ...

nLIGHT

Sr. Systems Administrator

Longmont, CO · On-site

$80K - $120K/yr

Location: Longmont, CO (onsite) Experience: 5+ years System Administration experience across ... This role partners closely with the Senior System Administrator to maintain reliable operations ...

Xinnovit

UNIX System Admin(XIN001_JBJH)

Boulder, CO

Unix/Linux/Solaris/-Senior System Administrator Operator for Disaster Recovery services contract. Good to also have SAN skills as well. XIV /EMC Additional Information All your information will be ...

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Senior Oracle System Administrator information

What does a senior Oracle system administrator do?

A Senior Oracle System Administrator is responsible for managing, configuring, and maintaining Oracle database systems and related infrastructure. Their duties include installing and upgrading Oracle software, monitoring system performance, ensuring data security, performing backups and disaster recovery, and troubleshooting technical issues. They often collaborate with database developers, IT teams, and end-users to optimize system performance and support business operations. Senior administrators also mentor junior staff and may help develop best practices and policies for database management.

What are the key skills and qualifications needed to thrive as a senior Oracle system administrator, and why are they important?

To thrive as a Senior Oracle System Administrator, you need advanced knowledge of Oracle database administration, system architecture, and strong troubleshooting skills, usually supported by a bachelor’s degree in computer science or a related field. Expertise with Oracle tools (such as RMAN, Data Guard, and Enterprise Manager), proficiency in Unix/Linux environments, and relevant certifications like Oracle Certified Professional (OCP) are highly valued. Strong analytical thinking, effective communication, and the ability to work independently or lead teams set top performers apart. These skills ensure the stability, security, and optimal performance of mission-critical database systems essential to business operations.

What are the common challenges faced by senior Oracle system administrators, and how can they be addressed?

Senior Oracle System Administrators often encounter challenges such as managing complex database environments, ensuring high availability, and performing timely upgrades or patches with minimal downtime. Additionally, they must stay current with Oracle's evolving technologies and security best practices. Proactive monitoring, thorough documentation, and collaboration with database developers, network teams, and security personnel are essential strategies for overcoming these challenges and maintaining optimal system performance.

What is the difference between Senior Oracle System Administrator vs Oracle Database Administrator?

AspectSenior Oracle System AdministratorOracle Database Administrator
CertificationsOracle Certified Professional (OCP), Oracle Certified Expert (OCE)Oracle Certified Professional (OCP), Oracle Certified Associate (OCA)
Work EnvironmentIT teams managing enterprise infrastructure, system maintenanceDatabase management, performance tuning, data security
Industry UsageIT services, finance, healthcare, large enterprisesDatabase-centric roles across industries

The Senior Oracle System Administrator focuses on managing and maintaining Oracle systems within IT infrastructure, while the Oracle Database Administrator specializes in database performance, security, and data integrity. Both roles require similar certifications and often work in overlapping environments, but their core responsibilities differ in scope and focus.

What are the most commonly searched types of Oracle System Administrator jobs in Colorado?

The most popular types of Oracle System Administrator jobs in Colorado are:

What are popular job titles related to Senior Oracle System Administrator jobs in Colorado?

For Senior Oracle System Administrator jobs in Colorado, the most frequently searched job titles are:

What job categories do people searching Senior Oracle System Administrator jobs in Colorado look for?

The top searched job categories for Senior Oracle System Administrator jobs in Colorado are:

What cities in Colorado are hiring for Senior Oracle System Administrator jobs?

Cities in Colorado with the most Senior Oracle System Administrator job openings:

Senior Oracle System Administrator jobs near you

Sr. Systems Administrator

nLIGHT

Longmont, CO • On-site

$80K - $120K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 12 days ago

Job description

Description
Location: Longmont, CO (onsite)
Experience: 5+ years System Administration experience across Windows Server, AD, M365, and core networking.
Minimum Education: Associate degree in Information Technology or related field is required.
Compensation: $80,000-$120,000 depending on experience.
Who We Are
nLIGHT-DEFENSE Systems, Inc. is one of the nation's leading developers of Directed Energy systems, which is a top modernization priority of the Department of Defense. Our High Energy Laser (HEL) systems, Adaptive Optical (AO) systems, and Acquisition / Pointing / Tracking (APT) solutions are designed to overcome the most difficult challenges facing the deployment of high energy laser solutions to the United States military and our allies. Located in Longmont, Colorado, nLIGHT-DEFENSE Systems, Inc. is a vertically integrated business that leverages internal capabilities - from semiconductor device through target identification - to develop systems that are both high-performance and cost-effective. We continue to invest in capabilities, facilities and technology to bring leading edge HEL solutions to the warfighter. This is a great opportunity to work at a company that is on the leading edge of the HEL industry and provides a culture of excellence and commitment to delivering solutions to the warfighter and our country.
Headquartered in Camas, Washington, nLIGHT is a publicly listed company (NASDAQ: LASR).
Summary:
The System Administrator supports and enhances the company's IT infrastructure across servers, networks, virtualization, identity services, and endpoint platforms. This role partners closely with the Senior System Administrator to maintain reliable operations, strengthen security posture, manage image and patch lifecycles, and act as a Tier 2/3 escalation point. The ideal candidate is hands-on, detail driven, security-minded, and comfortable working across Windows and Linux environments.
All applicants must possess or be qualified to obtain a U.S. DoD Personnel Security Clearance. Preference will be given to candidates with an existing U.S. DoD Personnel Security Clearance. Further information on requirements to obtain a security clearance is available at: https://www.dcsa.mil/mc/pv/mbi/gicp/. Please review this information before applying.
Responsibilities:
  • Manage Windows and Linux servers; maintain Hyper-V/VMware environments.
  • Build, maintain, and secure Windows and Linux images, understanding key Linux variances (distros, package managers, service frameworks, SELinux/AppArmor, kernel modules).
  • Support LAN/WAN networking, VPN, VLANs, DNS/DHCP, and general connectivity.
  • Participate in maintenance windows and on-call rotations.
  • Apply CIS/ STIG hardening across Windows & Linux server and endpoint images.
  • Lead OS patch cycles and vulnerability review, performing threat analysis using CVE feeds, vendor advisories, and exploit intelligence.
  • Ensure alignment with CMMC, DFARS 252.204-7012, NIST 800-171, and internal security controls.
  • Support audit preparation through proper documentation (configs, change records, test results).
  • Administer Active Directory, Azure AD, Group Policy, and Microsoft 365 services.
  • Enforce least-privilege, manage privileged accounts, and support access reviews.
  • Manage service accounts, licensing, and lifecycle tasks (onboarding/offboarding).
  • Serve as Tier 2/3 escalation for complex incidents and root-cause investigations.
  • Maintain standard Windows/Linux endpoint images and patch baselines.
  • Produce and maintain documentation (runbooks, SOPs, diagrams).
  • Provide advanced support for Windows endpoints, A/V systems, VPN, and executive users.

Required Experience / Capability:
  • Commitment to Excellence. Attention to Detail. Pride in Workmanship.
  • 5+ years System Administration experience across Windows Server, AD, M365, and core networking.
  • Hands-on experience with Hyper-V and/or VMware.
  • Practical Linux administration experience including building, securing, and maintaining OS images across different distributions.
  • Experience performing patch management and threat analysis (CVE evaluation, prioritization, and remediation planning.
  • Strong troubleshooting, documentation skills, and customer-service mindset.
  • PowerShell scripting; automation/orchestration tools (Ansible, Packer, etc.).
  • Exposure to identity governance, DUO, Keeper, or endpoint management platforms.
  • Familiarity with GCC High, FortiGate, Dynamics 365, or manufacturing/cleanroom environments.

Benefits Summary:
  • 4 weeks of Paid Time Off per year
  • 11 paid Holidays
  • Employee Stock Purchase Plan
  • Tuition Assistance Program
  • Health (ACA Gold Plan), Vision and Dental Care paid by employer 100% for Employee and 75% for Dependents
  • Paid Family Leave, Short and Long Term Disability paid by employer 100%
  • Competitive 401k with company match and immediate vesting

Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability, or age. For more information about our commitment to equal employment opportunity, please see this government poster: Know Your Rights: Workplace Discrimination is IllegalIf you are an individual with a disability and need a reasonable accommodation in the application or hiring process, please contact Human Resources at [email protected]

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