Sr. Cyber Security Engineer

About the role

Sr. Cyber Security Engineer – Arlington, VA. Chenega Military, Intelligence & Operations Support (MIOS) delivers essential technology services to support national security and economic interests. The SecuriGence team seeks an experienced senior engineer to analyze hardware and low‑level OS security, provide systems security support, and contribute to innovative solutions for government missions.

Responsibilities

• Analyze the security of hardware (SoC, MCU, etc.) and low‑level operating system components of consumer devices.
• Provide systems security support for the protection of information system assets.
• Implement technology that supports network defense, vulnerability management, and incident response based on client mission needs.
• Assess and review risks and work with product engineers to create mitigations.
• Develop and execute policies, standards, and procedures.
• Develop and deliver security training, promote awareness, and educate product engineers on technology.
• Research the latest methodologies, trends, threats, vulnerabilities, and technology frameworks.
• Serve as Splunk subject matter expert, engineering and maintaining multiple clustered instances.
• Implement and maintain security‑stack components such as IDS/IPS, firewalls, SIEM, and host‑based security systems.
• Mature existing Splunk instances to support robust incident detection and insider‑threat programs.
• Build system configuration baselines leveraging SCAP for Windows and UNIX/LINUX operating systems.
• Engineer event‑log correlation solutions to support effective customer response to security incidents.
• Conduct incident‑response actions based on detected events and incidents.
• Validate and develop cybersecurity requirements.
• Develop cybersecurity engineering solutions for various aspects of security.
• Work with stakeholders in functional and technical areas to support engineering tasks.
• Provide customers with reports and other informational products.
• Other duties as assigned.

Qualifications

• Bachelor’s degree.
• 4+ years of relevant experience.
• 8570 IAT Level 2 certification (CCNA Security, CySA+, GICSP, GSEC, Security+ CE, CND, or SSCP) required.
• TS/SCI clearance required.

Knowledge, Skills, and Abilities

• Experience building and maintaining Splunk instances in a DoD‑specific environment.
• Experience using Splunk or other SIEM to correlate events, identify possible security incidents, and collaborate with a CIRT team for response.
• Proficiency in UNIX/LINUX and Windows system administration and configuration.
• Proficiency in networking technologies and principles, including routing, switching, and subnetting.
• Familiarity with deployments and implementation of security functions in virtualized environments (VMware & Hyper‑V).
• Familiarity with Windows, UNIX/LINUX, and application logs such as database and web‑server logs.
• Experience implementing and auditing DISA STIG hardening configurations.
• Working knowledge of database and operating system security.
• Understanding of the latest security principles, techniques, and protocols.
• Ability to function in a fast‑paced environment, manage multiple tasks simultaneously, coordinate resources, and meet scheduled goals.
• Excellent verbal and written communication skills.

Benefits

Chenega MIOS offers a broad range of benefits and a positive, supportive culture that encourages employees to do their best work. The company emphasizes well‑being programs, flexibility for healthy daily choices, and continuous professional development through on‑the‑job learning and formal development programs. Corporate citizenship is a core purpose, with focus on education, skill‑based volunteerism, and community impact.

Pay

Estimated salary: $175,200 per year, up to $220,000 per year.