Systems Administrator
$90k - $125kRTL Networks
Description Position Title: Systems Administrator Location: San Diego, CA Status: Full-time / On-site Required Clearance: Secret Required Certification(s): IAT Level II (Security+, CySA+, etc.) About Us: RTL Networks, Inc. is a rapidly growing company primarily focused on providing information technology (IT) support services and personnel to various commercial and government customers for extended-term contracts. By providing a wide array of professional services and products, we help our customers leverage technology and operate confidently in their technology environments to ensure resource predictability, security, and reliability to meet business objectives. Compensation: The annual salary range for this position is $90,000 - $125,000. Please note that the salary information is a general guideline only. RTL Networks considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market and business considerations when extending an offer. Summary: RTL Networks is seeking a Secret cleared Systems Administrator to support the US Navy in San Diego, CA. Primary Responsibilities Essential skills, knowledge and responsibilities of the Systems Administrator include, but are not limited to: Network Infrastructure Computer networking concepts, protocols, and security methodologies. Local Area Network/Wide Area Network (LAN/WAN) architecture and pathways. Bandwidth management principles and techniques. Network traffic flow (TCP/IP and OSI model). Performance tuning tools and techniques. Remote access technologies. Virtual Private Network (VPN) security. Network protocols (TCP/IP, Dynamic Host Configuration Protocol (DHCP), Domain Name System (DNS), directory services). Common network tools (e.g., ping, traceroute, nslookup). File system implementations (e.g., New Technology File Virtualization technologies and virtual machine management. Security Expertise IT security principles and methods (e.g., firewalls, demilitarized zones (DMZs), encryption). Network security architecture concepts (topology, protocols, defense-in depth). Cybersecurity principles, threats, and vulnerabilities. National and international cybersecurity laws, regulations, and policies. Organizational IT user security policies (e.g., account management, access. control). Data security standards (PII, PCI, PHI). System administration, network, and operating system hardening techniques. Software-based computer protection tools (e.g., firewalls, antivirus antispyware). Knowledge of transmission records (Bluetooth, Radio Frequency Identification (RFID), Infrared (IR) transmission, Wi‑Fi, etc.) and jamming techniques. System Administration Server and client operating systems. Systems administration concepts and best practices. Enterprise IT architecture. System/server diagnostic tools and fault identification. Operating system command line/prompt (e.g., ipconfig, netstat, dir, nbtstat). System maintenance procedures (cleaning, disk checks, reboots, backups, etc.). Cloud Computing Cloud computing service models (SaaS, IaaS, PaaS). Cloud computing deployment models (private, public, hybrid). Cloud security strategy and architecture. Migrating workloads between cloud service models. Qualifications Bachelor’s degree in Computer Science or equivalent. Four (4) years of system management experience. Must meet DoD 8570 Information Assurance Workforce (IAWF) criteria or Information Assurance Technical (IAT) Level II certification at time of hire (i.e., Security+). Physical Demands Must be able to lift up to 15 pounds. Must be able to stand and walk for prolonged amounts of time. Must be able to twist, bend and squat periodically. Security Clearance Requirements Must currently hold a security clearance at the Secret level. US Citizenship is a requirement for clearance at this location. Note The applicant selected for this position must have and be able to maintain an Active Security Clearance. U.S. Citizenship required. Applicants must have a valid driver’s license for this position and will be subject to verification. Chosen applicants must pass pre-employment drug screening, credit review, and a criminal background check. We are an Equal Opportunity Employer, Females/Minority/Veterans/Disabled/Sexual Orientation/Gender Identity/Religion/National Origin #J-18808-Ljbffr
$98.11k - $147.16k
...solutions. From software-defined radios to cutting-edge cryptographic systems and avionics, everything we build powers the next era of New... ...the infinite, together. A DAY IN THE LIFE As an IT Systems Administrator III, you’ll lead advanced system administration, security...SuggestedRemote workWork visaFlexible hours- ...Overview We are seeking a mission-focused Systems Administrator to support Navy enterprise IT environments. This role is responsible for maintaining servers, networks, and cybersecurity compliance across classified and unclassified systems. You'll work closely with senior...Suggested
- ...Position Description Location Security Clearance Requirements Must be Able to Obtain a Clearance Job Description We are seeking a Systems Administrator to join our team in San Diego, CA (on-site). Responsibilities: Implement and maintain CMMC & NIST 800-171 compliance....SuggestedContract workTemporary workLocal areaRemote work
$80k - $120k
...Description SAIC is looking for a System Administrator to join the Fleet Support Team in support of the Comprehensive Automated Maintenance Environment – Optimized (CAMEO) Software for the V-22 Community across the Air Force, Navy, and Marine Corps out of Miramar, California...SuggestedWork at office$120k - $155.4k
...Overview Resource Management Concepts, Inc. (RMC) is looking for a talented Systems Administrator III to support the Naval Information Warfare Center (NIWC) Pacific Service Centers in Point Loma, CA. This role is critical in ensuring seamless operations within the Data...SuggestedContract work$70k - $120k
...Saalex Corporation is seeking multiple System Administrator II inTidewater, VA and San Diego, CA. Saalex Corp., is an Engineering and Information Technology Services company with a focus on Test Range Operations and Management, Engineering and Logistics Services, Data...Contract workTemporary workLocal areaFlexible hours$100k
...deployments. Lead technical planning, testing, and execution of complex system upgrades, including operating systems, infrastructure... ...Provide senior-level technical support and guidance to system administrators, serving as an escalation point for complex patching, upgrade,...Minimum wageContract workTemporary workWork experience placement$60k - $105k
...Position Overview Saalex Corporation is seeking multiple System Administrator I positions in Tidewater, VA and San Diego, CA. Saalex Corp. is an Engineering and Information Technology Services company with a focus on Test Range Operations and Management, Engineering and...Contract workTemporary workLocal areaFlexible hours$90k - $150k
...Overview Innovative Defense Technologies (IDT), a leading defense technology company, is seeking a Systems Administrator to be part of our Security team and based out of our San Diego, CA location. Department: Operations Employment Type: Full Time Location: San Diego,...Full timeImmediate start$67.6k - $122.2k
...within our CISO and Digital Modernization Sector, is seeking a System Administrato r to support various classified environments. The... ..., remote system management, NTFS permissions, and common administration tools. Basic knowledge of Linux‑based distributions and willingness...For subcontractorLocal areaImmediate startRemote work$32 - $41 per hour
...term career with a company that truly invests in your future. Life and AD&D Insurance Responsibilities A Day in the Life of a Systems Administrator As Systems Administrator for Liberty Military Housing, you will be responsible for the overall IT operations of a portfolio...Hourly payTemporary workWork at officeRemote work$107.74k - $120.75k
...Job Description Transform technology into opportunity as a Systems Administrator with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you’ll be at the forefront of innovation and play a meaningful part in improving how...Temporary workLocal area- ...phase, GlobalXperts technical staff has been successfully utilized by our customers for any or all phases. Job Description The System Administrator (SA) is responsible for server installation, maintenance, back up and security, along with performance tuning and capacity...Remote work
$76.7k - $129.5k
...Position We are searching for an experienced, organized, positive, and self‑motivated Infrastructure Systems Administrator to join our DevSecOps Department within the Joint Mission Integration and Experimentation (JMIE) Division at the Applied Research Laboratory (ARL)...Full timeWork experience placementWork from homeFlexible hours- ...Overview Position Summary The position of Systems Administrator will be responsible for the performance, availability, and reliability of SDCCU’s information technology infrastructure serving both SDCCU’s employees and customers. Maintain high quality service and production...Full time
- ...A client in San Diego is looking for a Systems Administrator/Network Engineer to manage their existing server and network environment. We are looking for someone with experience managing/maintaining/upgrading multiple types of servers, Active Directory, VPNs, and networking...
- Summary The Systems Administrator II/VDI Engineer supports the design, configuration, and sustainment of the Virtual Desktop Infrastructure (VDI) environment used across PMW 790's STACC enterprise. This role ensures secure, reliable, and efficient desktop virtualization...Remote work
$77k - $130k
...requirements, our recruitment team will contact you as soon as possible. Open Jobs Dec 12 2025 ID Job Title Job Description 77113 System Administrator Yakshna Solutions, Inc ., (YSI) is a CMMI Level 3 assessed, ISO 9001, 20000:1, 27001 certified, woman-owned small business...Full timeTemporary workLocal areaImmediate startRemote work- Information Management Resources, Inc. is seeking a Systems Administrator II/VDI Engineer in San Diego, CA. The role focuses on maintaining and administering Virtual Desktop Infrastructure (VDI) environments, ensuring operational efficiency and cybersecurity compliance....
$38.25 - $49.25 per hour
...Education, Experience, Skills) Bachelor’s Degree in Business Administration or related field or equivalent education or work experience.... ...and manages consistent execution of changes and enhancements to system logic, rules, and behavior. Participate in AML/BSA compliance...Hourly payFull timeWork experience placementMonday to FridayNight shiftWeekend work- Boarhog will hire a Systems Administrator in San Diego CA to support the Surface Combat Systems Training Command (SCSTC) which requires Network Administrative Support, including Information Management, Computer and Local Area Network (LAN) Administration, Cyber Security...Full timeContract workFor contractorsWork at officeLocal areaImmediate startRemote workWorldwideRotating shift
$110k - $130k
...offer relocation assistance. Competitive Salary Range: $110,000-$130,000 per year DOE The Role We are looking for a Senior Systems Administrator who will own the design, implementation, and reliability of an organization's core server and cloud infrastructure. The role...Work experience placementWork at officeImmediate startRelocation packageMonday to Friday$125k - $135k
*Active Secret Clearance required for consideration* Zachary Piper Solutions is currently seeking a Cloud Systems Administrator to support a US Government RDT&E program . This position is a full-time, onsite role in San Diego, CA . This position is critical in designing...Full time- ...on sustaining, operating, and improving essential government systems and services, with proven operational excellence, and a commitment... ...citizenship. This position is remote. The Jr. ICAM System Administrator provides entry‑level operational support for Identity,...Minimum wageFull timeContract workTemporary workWork experience placementRemote workShift work
$80k - $95k
System Administrator - Cloud and SaaS Location: Hybrid - San Diego, CA Mutual of Omaha is a Fortune 300 Company. Mutual of Omaha Mortgage is inspired by hometown values and a commitment to being responsible and caring for each other. We exist for the benefit of our customers...Work experience placementRemote work$60k - $105k
A prominent engineering firm is seeking a System Administrator I to support the Navy by managing enterprise IT systems. The ideal candidate should have 1-3 years of experience and a Bachelor's degree in IT or a related field. Responsibilities include system administration...$75k - $150k
A leading IT solutions provider is looking for a System Administrator in San Diego, CA. The ideal candidate will have a Bachelor's degree in a related field and at least 4 years of system management experience. Responsibilities include managing network infrastructure,...Full time$95k - $115k
Senior Systems Administrator - Information Systems PAC is an innovative, privately-owned company delivering high-impact operational capability to our Defense and commercial partners. Our trusted team of engineers, operational experts and technical specialists share a passion...Full timeLocal areaRemote workFlexible hours- CompQsoft seeks a highly motivated System Administrator to ensure the operational readiness and security of information systems supporting CNIC and NIWC missions. This role emphasizes cybersecurity compliance and the maintenance of specialized lab environments. Responsibilities...
- Compqsoft Inc is looking for a motivated System Administrator to ensure the operational readiness and security of critical information systems supporting CNIC and NIWC missions. The role involves leading cybersecurity compliance and managing specialized lab environments...
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Systems Administrator. Be the first to apply!
- server administrator San Diego, CA
- IT administrator San Diego, CA
- systems administrator San Diego, CA
- microsoft systems administrator San Diego, CA
- work from home systems administrator San Diego, CA
- remote systems administrator San Diego, CA
- enterprise administrator San Diego, CA
- computer systems administrator San Diego, CA
- system admin San Diego, CA
- application system administrator San Diego, CA


