**Description** Seeking a Senior Systems/Network Engineer, working with a diverse team of contractors, government personnel and subject matter experts, focused on creating and recognizing targeting opportunities and strategies in the cyber-realm. The ideal candidate should be self-motivated and excel in independent and small-team environments, demonstrating strong troubleshooting and problem-solving abilities with minimal supervision. **This is an onsite position located in Arlington, VA.** Responsibilities include: + Supporting a variety of networks and systems in a mission-critical enterprise environment. + Excel independently and in small-team environments, demonstrating strong troubleshooting and problem-solving abilities with minimal supervision. + Proactively seek out opportunities to learn new skills and willingly share knowledge with junior team members. + Initiative in finding and prioritizing tasks, including security audits and patch management, is essential. + Excellent communication skills are crucial, particularly in defusing situations and interacting with individuals unfamiliar with technology. + The role involves collaboration with various government, subcontractor, and SAIC personnel on project-based assignments. **Qualifications** Required Education and Experience: + Bachelors and 9 years or more experience. Masters and 7 years or more experience. Or 13 years of experience in lieu of degree. + Security+ or CISSP certification on day one. + KEY – Advance knowledge of RedHat Linux and RedHat OpenShift. + KEY - Expertise in managing Linux servers and infrastructure. + Expertise virtualization technologies and infrastructure. + Proficiency in shell scripting and automation using tools like Bash, Python, or Perl. + Experience with configuration management tools such as n8n, Puppet, or Chef. + Advance knowledge of networking protocols (TCP/IP) and troubleshooting network issues. Must be fully conversant in the OSI model. + Experience with utilizing Digital Certificates for authentication. + Understanding of security best practices and experience implementing security measures. + Familiarity with containerization technologies like Docker. + Ability to diagnose and resolve system performance issues. + Experience with monitoring and logging tools such as Splunk and Solarwinds. + Strong problem-solving skills and the ability to work independently and collaboratively. + Continuous learning and keeping up-to-date with the latest Linux technologies and trends. Desired Certifications, Skills, Expertise: + Knowledge of UNIX and Linux. + Experience with Cisco infrastructure equipment. + Experience working with serial console terminal servers. + Knowledge of classified communication systems. + Knowledge of Mac OSX is desired, but not required. + Knowledge of VPN technology and implementation. + Working knowledge of popular, legacy, and new social media, blog sites, and mobile applications. + Working knowledge of deep web and dark web. Clearance/Citizenship Requirements: + U.S. Citizenship with an active Top Secret Clearance with ability to obtain SCI (Active and/or PR within last 6 years). + CI Poly (active or ability to obtain). REQNUMBER: 2512083 SAIC is a premier technology integrator, solving our nation's most complex modernization and systems engineering challenges across the defense, space, federal civilian, and intelligence markets. Our robust portfolio of offerings includes high-end solutions in systems engineering and integration; enterprise IT, including cloud services; cyber; software; advanced analytics and simulation; and training. We are a team of 23,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $6.5 billion. For more information, visit saic.com. For information on the benefits SAIC offers, see Working at SAIC. EOE AA M/F/Vet/Disability