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Job Title


Senior Information System Security Officer


Company : General Dynamics Information Technology


Location : Alice Springs NT, Australia


Created : 2026-02-02


Job Type : Full Time


Job Description

Clearance LevelTop Secret SCI + PolygraphCategoryCyber and IT Risk ManagementLocationAlice Springs, Australia(Onsite Workplace)Key Skills For SuccessComputer SecurityFirewall SecurityIntrusion DetectionSHAREREQ#: RQ209807Public Trust: NoneRequisition Type: RegularYour ImpactOwn your opportunity to serve as a critical component of our nation''s safety and security. Make an impact by using your expertise to protect our country from threats.Job DescriptionPRIMARY DUTIES AND RESPONSIBILITIES: Under general supervision, carries out all phases of information systems/networks security program that involves access to computers and computerized data enabling company to meet contractual requirements for networks security through firewalls and intrusion detection systems. Conducts regular audits to ensure that systems are being operated securely, and information systems security policies and procedures are being implemented as defined in security plans. Develops, tests, and operates firewalls, intrusion detection systems, enterprise anti-virus systems and software deployment tools. Safeguards the network against unauthorized infiltration, modification, destruction or disclosure. Researches, evaluates, tests, communicates and implements new security software or devices. Implements, enforces, communicates and develops security policies or plans for data, software applications, hardware, telecommunications and information systems security education/awareness programs. Conducts routine investigations of information systems security violations and incidents, reporting as necessary to management. Responds to queries and requests for computer security information and reports. Incumbent may report into the Security department and act as a liaison between the IT and Security functions OR may report directly into the IT function. Excludes those who perform these duties less than 80% of the time.WHAT YOU''LL NEED TO SUCCEEDBring your cyber expertise and drive for innovation to GDIT. The Information Security Analyst Senior must have:Education: Bachelors Degree or equivalent technical training, certification(s) or experienceExperience: 3+ years of related experienceTechnical Skills: 2+ years of experience in developing and implementing intrusion detection systems and firewallsCertification: Candidate must possess an appropriate and current DoD 8570/8140 Information Assurance Technical (IAT) Certification to be considered for employment. CompTIA Security+ CE Certification is the preferred certification.Security Clearance Level: Active TS/SCI with Polygraph is required.GDIT IS YOUR PLACEAt GDIT, the mission is our purpose, and our people are at the center of everything we do.Growth: AI-powered career tool that identifies career steps and learning opportunitiesSupport: An internal mobility team focused on helping you achieve your career goalsRewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time offCommunity: Award-winning culture of innovation and a military-friendly workplaceOWN YOUR OPPORTUNITYExplore a career in cyber at GDIT and you''ll find endless opportunities to grow alongside colleagues who share your focus on defending and protecting what matters.Work RequirementsYears of Experience3 + years of related experiencemay vary based on technical training, certification(s), or degreeCertificationTravel RequiredLess than 10%CitizenshipU.S. Citizenship RequiredSalary and Benefit InformationThe likely salary range for this position is $123,250 - $166,750. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range. Total compensation for international positions varies by tax, social security, and immigration statuses, as well as location. Generally, an international assignment may include allowances, premium uplifts, and/or relocation or transportation benefits, above base salary range noted.View information about benefits and our total rewards program.About Our WorkWe are GDIT. A global technology and professional services company that delivers technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across over 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, cloud, cyber and application development. Together with our customers, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.Join our Talent Community to stay up to date on our career opportunities and events at Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans