Senior Staff / Senior Cybersecurity Engineer (Clearance Required)
- US citizenship
- TS/SCI clearance
- Secret clearance
How this pay compares
This posting states $125k–$193k a year. Open cybersecurity expert jobs in Colorado post a median of $141k a year, the middle half $114k–$169k, across 38 jobs that state their pay, so this one is within the middle half of what they post.
About the job
SciTec, a Firefly Aerospace company is a dynamic leader in delivering advanced sensor data processing technologies and scientific instrumentation capabilities in support of National Security and Defense, and we are growing our creative team! We support customers throughout the Department of Defense and U.S. Government in building innovative new tools to deliver unique world-class data exploitation capabilities.
Important Notice: SciTec exclusively works on U.S. government contracts that require U.S. citizenship for all employees. Applicants that do not meet this requirement will not be considered.
SciTec has immediate opportunities for an experienced Senior Cybersecurity Engineer to work in our Boulder, CO office.
Responsibilities
- Participate in security development, configuration, and auditing at different environments
- Harden and secure program infrastructure assets, including servers, network devices, storage systems, and supporting platforms
- Develop and maintain secure change management processes and documentation
- Coordinate work for individual tasks across multiple functional technical teams
- Participate in security controls related to CI/CD work
- Participate in STIG and ATO audit processes
- Create and maintain SIEM queries in response to emerging threats around environment.
- Ensure logging, monitoring, and access controls meet security and compliance requirements
- Identify and mitigate operational cybersecurity risks
- Support incident response preparation, mission resiliency, and operational continuity planning efforts
- Collaborate security implementations and documentation across program teams
- Other duties as assigned
Requirements
- Combined total of 7+ years in system administration, network engineering, and cybersecurity
- 3+ years as a system administrator or with direct experience security RedHat environments
- DoD 8570 IAT Level II Certification
- Secret clearance and ability to obtain TS/SCI
- Experience securing development and operations environments
- Experience with ACAS vulnerability scans, OpenSCAP, Anchore
- Experience with configuring alerting for SIEM tools
- Experience with Security Technical Implementation Guides ( STIGs ) and applying them
- Experience decomposing high-level operational requirements into functional definitions, verification objectives, and full system specifications, and identifying enabling and critical technologies, constraints, and risks
- Knowledge of ATOs and other government compliance frameworks
- Applicants MUST be willing to work on-site from various sites as-needed in the Boulder and Denver area
- Detail oriented
- Strong oral and written communication skills
Candidates who have any of the following skills will be preferred:
- Experience with PKI administration and certificate lifecycle management
- Experience analyzing network configurations and network architecture diagrams
- Specific experience with ACAS scanning, Anchore, OpenSCAP, ClamAV, Bitdefender EDR, or ELK security
- Experience with applying hardening configurations and implementing compliance tools
- Knowledge of network security and incident response procedures
- Experience with technical documentation or tech writing skills
- Secure development lifecycle and secure data lifecycle processes
- Bachelor's degree in related field
Resumes, Cover Letters, and Applications which are generated by AI will not be considered for employment.
Colorado Residents: In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information.
Benefits
SciTec offers a highly competitive salary and benefits package, including:
- 4% Safe Harbor 401(k) match
- 100% company paid HSA Medical insurance, with a choice of 2 buy-up options
- 80% company paid Dental insurance
- 100% company paid Vision insurance
- 100% company paid Life insurance
- 100% company paid Long-term Disability insurance
- Short-term Disability insurance
- Annual Profit-Sharing Plan
- Discretionary Performance Bonus
- Paid Parental Leave
- Generous Paid Time Off, including Holiday, Vacation, and Sick Pay
- Flexible work hours
The pay range for this position is $125,000 - $193,000/ year. SciTec considers several factors when extending an offer of employment, including but not limited to the role and associated responsibilities, a candidate's work experience, education/training, and key skills. This is not a guarantee of compensation.
SciTec is proud to be an Equal Opportunity employer. VET/Disabled.
From SciTec's job posting, checked 9 Nov 2026. The employer's own page is the final word on requirements and availability.
Selected agencies hiring now
Zobility (RGBSI)Engineering and technical staffing agency
RGBSI's staffing and workforce division, renamed Zobility (Troy, Michigan), placing engineers, technicians, IT staff and procurement and supply chain people with aerospace, defense and automotive employers.
Places: Mechanical, Avionics, Systems & Test, Technicians
Motion RecruitmentEngineering and technical staffing agency
IT and software recruiting firm placing software, data, infrastructure, cybersecurity and product people on contract and permanent roles across North America.
Places: Software & IT, Programs & Business, Science & Data
These agencies and apps pay SpaceJobs.Now a referral fee when someone we introduce is placed or signs up. It costs you nothing and never changes your pay. Employers' own jobs below keep their own order.
Sponsored jobs from job networks, which pay SpaceJobs.Now when you click one.
Free tools for this application: check your resume against this job, answer the application's questions or see every free tool.
New ground software and IT jobs in space in Colorado, by email
One email a week with the newest ones, straight from the employers' own careers sites, with the pay each posting states. Free, stop anytime.
About SciTec
Software that turns the data of missile warning satellites into warnings and tracks.
Pay on its listings: stated per posting
How it pays: Paid as an employee on SciTec's own payroll, as each posting states.
More open jobs at SciTec
- Staff / Senior Staff Test Automation Engineer$102,000–$157,000/yr
- Director, Advanced Systems$190,000–$260,000/yr
- Framework Operations Engineer
- SciTec Internship - Princeton 2027$24–$26/hr
- OPIR Space Crew Instructor$110,000–$157,000/yr
- Infrastructure Architect$157,000–$193,000/yr
More ground software and IT jobs in space
A software or IT professional?
One profile for every employer here. Space companies and their recruiters ask us for people with a specific degree, clearance, specialty or location: add yours once, and when a job fits, we introduce you, only with your yes. Free.
SciTec openings, sent to you weekly
Each week we send the newest postings from SciTec's own careers site, along with similar openings at other space employers. It costs nothing and you can stop anytime.