Tier 2 System Maintainer 24x7

Ratchet Mission Applications (RMA) has an opening for a Tier 2 Systems Maintainer supporting 24x7-mission applications in Aurora, CO. The successful candidate will be required to function as an integral member of a highly proficient and technically competent team of System Maintainers and will be responsible for ensuring the continuous operation of complex mission applications in a purpose-built enterprise environment. Qualified applicants must be able to work collaboratively to reliably resolve system anomalies. Applicants must be available and willing to support operations using a rotating 24x7 shift schedule with predictable periods of non-work, extended personal time and increased pay. This position is not for a help desk. The qualified candidate will be a Tier 2 maintainer in all respects and will work closely with the 8x5 personnel to enhance broad system knowledge. Occasional out-of-band call-in support may be required. Primary Responsibilities: Maintain consistent mission processor availability and reliability through the implementation of proactive Systems Maintenance methodologies and request fulfillment activities Demonstrate comprehensive technical competence in the expedient restoration of mission applications and associated functions to a fully operative state Adhere to prescribed incident and problem management or ticket escalation processes to quickly and proactively resolve system anomalies as appropriate Create, enhance, update or otherwise maintain concise, accurate, and complete Tier 2 maintenance and operations documentation Provide relevant input to the shift lead and other teammates regarding activities and incidents that negatively impact Tier 2 mission operations. Provide training to teammates, Tier 1 and customers as required Other related supporting duties as required Basic Qualifications: U.S. citizen with an active TS/SCI with a polygraph required Requires BS degree and 4-8 years of prior relevant experience or Masters with 2 years years of prior relevant experience Current DoD 8570 certification applicable to the position (typically Security+) Knowledge of Tier 2 system maintenance and troubleshooting on mission critical systems Experience with constructive, collaborative approach Excellent verbal and written communication skills Ability to work collaboratively and constructively with other leaders Must be willing to perform shift work Preferred Qualifications: Mission-specific technical knowledge and operations experience (incl. DEC VMS and/or Alpha) Proven experience and proficiency with one or more of the following disciplines in an enterprise environment: Unix, Linux, and/or Windows based OS and application management Script development and implementation (e.g. PyThon, BaSH, XML) Troubleshooting of complex and interconnected systems Usage and support of Enterprise Maintenance Management tool(s) Ability to develop technical solutions through deep analysis and understanding of impact to the end-product/solution Ability to work independently and in a collaborative environment to achieve day-to-day objectives that significantly impact operational results and deliverables Deep understanding and ability to apply principles, theories, and concepts of domain related mission operations and a broad understanding of dependent domains If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. Original Posting: July 6, 2026 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 $87,100.00 - $157,450.00 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. Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here. Securing Your Data Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to View email address on click.appcast.io. Commitment and Diversity 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.