Principal Software Engineer

This position requires onsite work in Aurora, CO and an active TS/SCI CI Poly security Clearance. Candidates who do not hold this clearance are not eligible for hire.Solidus is seeking a Principal Software Engineer to join a highly skilled team focused on enhancing and modernizing existing software systems. In this role, the engineer will maintain complex systems, troubleshoot technical issues, and deliver secure, high‑quality solutions in a mission‑critical environment.Day In The LifeTroubleshoot system anomalies related to software, system configuration, network interfaces and operating system issuesCoordinate software installs/upgrades with adherence to Configuration Management (CM) procedures and policiesSoftware architecture design, development and testingDevelop/maintain system tools and documentation as requiredOther duties as assignedRequired Qualifications & ExperienceActive TS/SCI with CI Poly clearance is requiredA minimum of 10 years of relevant work experience with Bachelor's Degree, 8 years of relevant experience with Master'sCultural fit amongst a collaborative team environmentMust have a current DODI 8570.1 M IAT Level II (Security+) (minimum) certificationExperience and knowledge with software engineering object oriented technologiesExperience with Jenkins Java experience within a Linux environment Java Messaging Service (JMS) experienceExperience with software deployments within Docker containersExperience with NetbeansExperience with JavaScript Ability to perform all aspects of the software development lifecycle to include requirements definitionAbility to provide a variety of technical solutions for a wide range of difficult problemsBenefit selection, customer contractual specifications, relevant work experience, skills, competencies, certifications, and clearance status will influence the final salary.Full benefits: $184,000 to $230,000 annuallyReduced benefits (no medical, dental, vision): Up to $250,000 annuallyWhat We Will BringSolidus offers you an exciting opportunity to tackle the nation's greatest challenges applying innovation and expertise to produce cutting-edge results that have a long-lasting impact. We offer outstanding benefits, generous PTO and much more! Apply today to learn why Solidus has a 4.9/5 Star rating on Glassdoor!Req ID:5321Solidus is an Equal Opportunity Employer and provides equal employment opportunities regarding all terms and conditions of employment to all employees and qualified applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. The Company will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application and interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request an accommodation. Click to review - Federal Job Notices for Job ApplicantsPlease Note: Solidus does not accept applications from agencies, 3rd party vendors, or applications with incomplete information.