Tier 2 System Maintainer (day staff)

Description

The Multi-Domain Solutions Group at Leidos has an opening for a Senior System Maintainer supporting mission applications maintenance in Aurora, CO. This is an exciting opportunity to apply your experience to support our customer's mission.

What you will do:

• Ensure the availability of mission processors through proactive Tier 2 SW maintenance
• Coordinate the performance of incident and problem management to resolve or escalate issues
• Support configuration management and change management activities
• Support service transitions including migrations to cloud infrastructure
• Support request fulfillment activities including account management and configuration changes
• Coordinate with other software maintenance, operations and engineering contracts as required
• 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

Basic Qualifications:

• United States' citizen with current TS/SCI with Polygraph
• Bachelor's Degree with at least 4 years of applicable experience or additional years of experience in lieu of degree
• Current DoD 8570 certification applicable to the position (typically Security+)
• 5+ 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)
  • Unix, Linux or Windows operating systems, including shell scripting
  • Enterprise management tools
  • 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

Preferred Qualifications:

• Experience with legacy platforms (i.e. DEC VMS, Alpha)
• 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.

Original Posting:
September 11, 2025

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:
Pay Range $85,150.00 - $153,925.00

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.