Cybersecurity Analyst I

Sierra Space Corporation; Louisville (CO); On-site; USD 76,000 - 104,000; Full time

Job summary

Sierra Space Corporation seeks an entry-level Cybersecurity Analyst I to monitor security alerts, analyze incidents, and support vulnerability assessments for mission-critical networks and systems.

The role collaborates with IT and security teams, performs triage, and maintains thorough incident documentation while applying foundational cybersecurity principles to protect sensitive data.

Qualifications

• Bachelor's degree in a related field or equivalent work experience.
• 0–2 years of entry-level experience preferred.
• Two+ years in IT support, systems administration, or network operations.

Responsibilities

• Monitor and analyze security alerts and event data to identify threats and vulnerabilities.
• Perform initial triage, investigation, documentation, and escalation of incidents.
• Use enterprise cybersecurity tools to investigate detections and support containment and remediation.
• Collaborate with IT and other departments to improve security of systems.
• Maintain case notes, incident records, and operational documentation.

Skills

Cybersecurity fundamentals

Network security

Threat analysis

Documentation

Education

Bachelor's degree in related field

Equivalent work experience

Tools

SIEM

EDR

Ticketing systems

Job description

At Sierra Space, we build the missions and systems that keep our world secure in the domain above Earth.

Sierra Space team members share a spirit of innovation and collaboration and a belief that we can deliver on the boldest missions in space today. Together with our customers, we aim to safeguard our nation, sustain human presence in space, and secure the freedom of operations in low Earth orbit and beyond.

Our success is measured by the trust of those who rely on what we build and deliver, and our technologies keep the United States and its allies mission-ready throughout space.

We are mission-driven, and together, we are an extraordinary team.

About the Role

The Cybersecurity Analyst I is responsible for monitoring and analyzing security alerts and reports to identify potential threats and vulnerabilities. This entry-level role involves investigating security incidents, conducting vulnerability assessments, and collaborating with various departments to ensure the security of the organization’s network and systems. Your primary responsibilities will include identifying and responding to security incidents, analyzing security alerts, and aiding in the implementation of security measures to safeguard sensitive data The position requires foundational knowledge of cybersecurity principles and a proactive approach to protecting digital assets.

About You

Our mission is driven by an unyielding commitment to advancing space-based technology in service of our customers and safeguarding national security. We seek individuals who are passionate about innovating beyond boundaries and relentlessly pursuing solutions that protect, preserve and empower - to join us in this critical mission.

We're looking for team members who align with our values, mission and goals - while also meeting the minimum qualifications below. The preferred qualifications are a bonus, not a requirement.

Key Responsibilities

• Monitor and analyze security alerts, endpoint detections, and event data to identify potential threats and vulnerabilities.
• Perform initial triage, investigation, documentation, and escalation of suspected security incidents in accordance with established procedures.
• Use enterprise cybersecurity tools to investigate detections, review endpoint activity, and support containment and remediation.
• Leverage foundational IT knowledge to troubleshoot and investigate security-related issues.
• Assist with the configuration, maintenance, and troubleshooting of cybersecurity tools and technologies.
• Collaborate with IT and other departments to gather information, coordinate incident response, and improve the security of organizational systems.
• Maintain accurate case notes, incident records, and operational documentation; prepare reports on alerts, incidents, vulnerabilities, and mitigation activities.
• Participate in security audits, compliance assessments, tabletop exercises, and continuous improvement initiatives.
• Maintain current knowledge of cybersecurity threats, attack techniques, defensive technologies, and SOC processes.

Minimum Qualifications

• Requires Bachelor's degree in a related field (or equivalent work experience in lieu of degree).
• Typically entry-level 0 - 2 years of experience.
• Two or more years of experience in IT support, systems administration, network operations.
• Certifications: (1 or more required) Network+, A+, Certified Ethical Hacker, SANS (SysAdmin, Audit, Network and Security) level 100 courses or similar.
• Knowledge of computer networking concepts, protocols, and network security methodologies.
• Knowledge of cybersecurity and privacy principles.
• Knowledge of cyber threats and vulnerabilities.Knowledge of audit and logging techniques.
• Knowledge of structure, architectures, designs, and cybersecurity technologies used in modern communication networks.
• Knowledge of common cybersecurity frameworks.

Preferred Qualifications

• Ability to obtain and maintain a U.S. security clearance
• Experience working in a security operations center (SOC), security monitoring, incident response, or a similar cybersecurity environment.
• Hands-on experience with the enterprise security platforms, including reviewing detections, investigating endpoint activity, and supporting response actions.
• Experience with a security information and event management (SIEM) platform and basic log analysis.
• Familiarity with endpoint detection and response (EDR), ticketing, and incident tracking tools.
• Additional certifications such as Security+, CySA+, GSEC, or equivalent.
• Understanding of common attack techniques, incident response processes, and cybersecurity frameworks.
• Strong analytical, troubleshooting, documentation, communication, and organizational skills.
• Ability to work effectively independently and as part of a team in a continuously monitored operational environment.

Compensation

$75,937.00 - $104,434.75

Your actual base compensation will be determined on a case-by-case basis and may vary based on job-related knowledge and skills, education,experience, internal equity and market competitiveness.

Elevate Your Career

At Sierra Space, we are committed to your personal and professional development. We empower you to make profound and meaningful contributions and foster a vibrant culture of collaboration, where teamwork ignites breakthrough innovations.

We also offer a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 6%, life insurance, 3 weeks paid time off, and more.

Sierra Space is an industry-leading space and defense technology company providing satellites, spacecraft, and enabling mission systems and components. We deliver mission-proven technologies to our customers that safeguard our nation, protect space-based assets and enable space exploration.

Application Deadline: This role will remain posted until a qualified pool of candidates is identified.

Please note: Sierra Space does not accept unsolicited resumes from contract agencies or search firms. Any unsolicited resumes submitted to our website or to Sierra Space team members not through our approved vendor list or Talent Acquisition will be considered property of Sierra Space, and we will not be obligated to pay any referral fees.

Sierra Space Corporationis an equal opportunity employer and is committed to working with and providing reasonable accommodations to applicants with disabilities. If you need special assistance or a reasonable accommodation related to applying for employment withSierra Spaceor at any stage of the recruitment process, pleasecontact us.