Day- Tier 2 System Maintainer

Description

Leidos has an opening for an experienced System Maintainer supporting mission applications maintenance in Aurora, CO. This is an exciting opportunity to apply your experience to support our customer’s mission.

• Ensure the availability of mission processors through proactive Tier 2 SW maintenance
• Lead the performance of incident and problem management to resolve or elevate issues
• Support configuration management and change management activities
• Support service transitions including migrations to cloud infrastructure
• Lead request fulfillment activities including account management and configuration changes
• Coordinate with other software maintenance, operations and engineering contracts as required
• Lead and ensure the documentation all work performed via ticketing system
• Create, update or enhance maintenance and operations documentation
• Ensure security of mission processors and IT infrastructure
• Provide call-in support as required

• United States’ citizen with current TS/SCI with Polygraph
• Bachelor’s Degree with 4+ years of experience or 4 additional years of experience in lieu of degree
• Current DoD 8570 certification applicable to the position (typically Security+)
• 4+ years’ experience performing Tier 2 software maintenance on mission critical systems
• Proven experience with one or more of the following technical disciplines:
  • Current and legacy software development languages and tools (i.e. C, C++, Java, XMIDAS)
  • Linux, including extensive command line use
  • Enterprise storage management and configuration
  • Database management systems and tools (i.e. Oracle, MySQL)
  • TCP/IP networking in an enterprise environment
  • Information system security, including IAVA management and ICD 503 compliance
• Experience supporting configuration management, change management and service transition
• Excellent verbal and written communication skills
• Proven ability to work collaboratively and constructively as part of a team
• Must be willing to perform call-in support as required

• Mission operations experience
• Systems engineering and integration experience
• Mission-specific technical knowledge
• Software development
• ITIL Framework

At Leidos, we don’t want someone who "fits the mold"—we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, “what’s next?” before the dust settles on “what’s now.”

If you’re already scheming step 20 while everyone else is still debating step 2… good. You’ll fit right in.

January 7, 2026

Pay Range $87,100.00 - $

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.