Senior Staff / Senior Cybersecurity Engineer (Clearance Required)

SciTec; Boulder (CO); On-site; USD 125,000 - 193,000; Full time

Benefits offered by this job

401(k) match

Company-paid health insurance

Parental leave

Paid time off

Discretionary bonus

Job summary

SciTec, a Firefly Aerospace company, seeks a Senior Cybersecurity Engineer in Boulder, CO to secure DoD and U.S. Government environments. The role emphasizes hardening, auditing, and secure operations across multiple teams, with SIEM and STIG expertise expected.

Applicants must be a U.S. citizen with ability to obtain TS/SCI clearance. SciTec offers a robust benefits package and competitive salary range in support of national security missions.

Qualifications

• 7+ years in system administration, network engineering, and cybersecurity.
• 3+ years in RedHat environments with security focus.
• DoD 8570 IAT Level II certification required.
• US citizenship and ability to obtain TS/SCI clearance.
• Experience with ACAS, OpenSCAP, Anchore, SIEM and STIGs.

Responsibilities

• Participate in security development, configuration, and auditing across environments.
• Harden program infrastructure assets including servers and network devices.
• Develop secure change management processes and documentation.
• Coordinate tasks across multiple technical teams.
• Contribute to CI/CD security controls and audit processes.
• Create and maintain SIEM queries for threats and incidents.
• Ensure logging, monitoring, and access controls meet security requirements.
• Support incident response preparation and operational continuity planning.

Skills

Security engineering

DoD 8570 IAT II

Incident response

RedHat environments

Security architecture

Education

Bachelor's degree

Tools

ACAS

OpenSCAP

Anchore

SIEM

STIGs

ClamAV

ELK stack

Job description

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.

SciTec has immediate opportunities for an experienced Senior Cybersecurity Engineer to work in our Boulder, CO office.

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.

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

• 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 ACASvulnerability 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.

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.