Senior Systems Administrator - Networks & Security
Envisioneering Inc
Envisioneering Inc. seeks a System Administrator to perform comprehensive system, network, security, and database administration tasks for the U.S. Naval Research Laboratory (NRL) in Washington, DC. The role requires designing group policies, ensuring continuity, and optimizing operations across multiple domains. Responsibilities include installation and maintenance of servers, security controls, disaster recovery planning, incident response, and documentation of procedures. #J-18808-Ljbffr Envisioneering Inc
$65k - $85k
...are seeking a skilled and self-driven Systems Administrator with strong expertise in cloud services... ..., virtualization, and modern security platforms The ideal candidate will have... ...Intune for device/application security Network Security & Access Maintain and optimize...Senior- ...Federal Solutions in Washington, DC is seeking a Systems Administrator to maintain and optimize our IT infrastructure, ensuring secure operations in a TS/SCI environment and... ...projects. Responsibilities include system and network management, security measures, backups,...Senior
- ...provide operational support for Navy submarine programs. The candidate must have over 10 years of systems administration experience and be capable of managing network security, hardware, and software installations. A relevant degree in Computer Engineering or a related...Senior
- ...and a commitment to customer success. As a Senior Endpoint Systems Administrator, you will play a key role in delivering secure, reliable, and efficient endpoint services... ...complex operating system, authentication, networking, and performance issues. Analyze Windows Event...SeniorFull timeContract work
$112k - $179k
...Peraton Labs is seeking a poly cleared Senior Infrastructure and Systems Administrator to support cleared research and... ...the implementation, maintenance, security, and operational readiness of... ...Windows administration experience, networking fundamentals, virtualization...SeniorFull timeContract workFor subcontractorRemote workRelocation packageShift work$105k - $155k
...,000.00 - $155,000.00 Security Clearance: TS/SCI Level... ...resides with Warfare Systems (WS), a business group... ...capabilities in cybersecurity, network architecture, reverse... ...opportunity. Systems Administrator 3: $105,000 - $145,000... ...doYou will serve as a senior technical resource...SeniorFull timeWork experience placementLocal areaWorldwide$107.12k - $140.25k
...quantum solutions across computing, networking, sensing, and security. IonQ’s newest generation of... ...latest in a line of cutting-edge systems that have been helping customers and... ...a highly motivated and versatile Senior IT Administrator to be the dedicated on-site IT presence...SeniorPermanent employmentFull timeContract workWork at officeLocal areaRemote work- Chenega Corporation in Arlington, VA is seeking a Network Administrator to implement, maintain, and monitor the organization’s enterprise network... ..., WAN, and cloud-connected environments, while enforcing security. The role includes configuring routing protocols,...Senior
- ...Deadline: 29 August 2025 Department: Systems Engineering Location:... ...Responsibilities Operating within the Aireon Network Engineering Group, the Senior Systems Administrator is responsible for helping to... ...systems that meet stringent security requirements for maintaining a...SeniorPermanent employmentFull timeTemporary workFor subcontractorWork at officeRemote workFlexible hours
$125k - $200k
Summary The MIL Corporation is seeking a Senior Network Engineer with TS/SCI, FS (Network... ...following minimum duties:Assisting the System AdministratorsAssisting the Lead Network... ...Installing, configuring and managing network security (firewalls, IP blocking).Configuring...SeniorFull timeContract work- ...seeking an experienced and highly motivated Senior Systems Administrator to lead Independent Verification and Validation (IV&V) efforts for our network systems infrastructure projects. In... ...systems meet rigorous operational, security, and performance standards. You will collaborate...Senior
$120k
Overview Senior Network Administrator Arlington, VA Are you ready to enhance your skills and build your... ...efficient operation of the network systems that support core organizational functions... ...complex network issues, implementing security protocols, and optimizing performance...SeniorLocal area$100.85k - $151.27k
SummaryThe MIL Corporation is seeking a Senior Network Security Engineer (Network Engineering,... ...02.1X Network Access ControlFirewall administration and network securityNetwork monitoring... ...CyberOps ProfessionalCertified Information Systems Security Professional (CISSP)GIAC...SeniorFull timeContract work- ...Job Description Job Description Job: Senior Networking Administrator - Network Engineer (TS/SCI Security Clearance Required, Swing-Shift)Location: Arlington, VA... ...the integrity, performance, and security of our systems. This is your opportunity to bring your technical...SeniorFull timeImmediate startMonday to ThursdayAfternoon shift
$77.6k - $176k
System Administrator, SeniorThe Opportunity: Your technical expertise makes you the team hero, solving... ...to improve platform performance and security, comply with security controls, and... ...provide your customers insight into their network through monitoring and performance...SeniorFull timeContract workPart timeWork at officeLocal areaRemote work$170k - $219k
As a Sr. Systems Administrator III, you will work as part of a collaborative and high-performing team... ..., hardware, storage, backup, and network-adjacent layers.Ability to communicate... ...Required technical certifications include Security+ and VMware VCP-DCV or equivalent data-...SeniorFull timeLocal area$77.6k - $176k
System Administrator, SeniorThe Opportunity: Your combination of people skills and system administrator expertise makes you... ...administrator who specializes in enterprise-level system and network administration and managing secure, multi-domain environments to help our customer...SeniorFull timeContract workPart timeWork at officeLocal areaRemote work- ...Title: Senior Systems Administrator Location: Fort Lesley J. McNair, 300 5th Avenue, Washington... ...Long term Certification: CompTIA Security+ CE and Computing certification... ...cloud resources (compute, storage, networking, IAM). - Manage and configure Microsoft...Senior
- ...package. Qualifications Minimum of seven (7) years of experience in installing, configuring and maintaining UNIX/LINUX/MS operating systems and Cloud Environment. Analyzes and resolves problems associated with the operating system's servers, hardware, applications, and...Senior
- STI-TEC is seeking a Senior Systems Administrator to oversee database and systems administration across JDEIS applications in Washington, D.C. The role ensures stability and security for the Joint Doctrine Development Community's platforms. Candidates must possess a Bachelor...Senior
- ...Senior Systems Administrator – Security Clearance Duration: Full time, salaried opportunity Government Security Clearance Requirements: Government security... ..., and execution of critical services on up to nine networks with quarterly review and updating as required....SeniorFull time
- ...We are seeking an experienced Senior Systems Administrator to support the lifecycle sustainment and modernization of mission-critical education,... ...automation solutions, perform system maintenance, and ensure the security, reliability, and availability of enterprise systems...SeniorFull time
- ...Employment Type Full Time, Senior-level Department Legal/IT Overview CGS is seeking a Senior Systems Administrator to join our team supporting a wide-ranging technical support... ...environments, including office automation networks, PC and server‑based databases and applications...SeniorFull timeContract workFor contractorsWork at office
- ...Senior Systems Administrator II Employment Type: Full Time, Senior-level - Department: Legal/IT Overview CGS is seeking a Senior Systems Administrator to support technical initiatives for a large Federal agency, ensuring systems meet client needs and comply with policy...SeniorFull timeContract workFlexible hours
- ...Employment Type Full Time, Senior-level Department Legal/IT Overview CGS is seeking a Senior Systems Administrator to join our team supporting a wide-ranging technical support... ...environments, including office automation networks, PC and server‑based databases and applications...SeniorFull timeContract workFor contractorsWork at office
$73.45k - $132.78k
...new and exciting opportunity for a Systems Administrator in our INTEL SECTOR- Cyber &... ...talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission... ...work with and take direction from senior System Administrators, at times working...Full timeWork at officeLocal areaImmediate startRemote workFlexible hours$78.6k - $160.2k
...Senior Systems Administrator At Accenture Federal Services, nothing matters more than helping the US... ...for clients across defense, national security, public safety, civilian, and military... ...Perform advanced troubleshooting, network analysis, and performance optimization...SeniorLocal area- ...seeking an experienced Linux-focused System Administrator (Level 2) to support a mission-critical... ...responsible for the day-to-day administration, security compliance, and operational health of... ..., container platforms, and classified networked systems.The SA Level 2 operates with a...Temporary work
$164k - $200k
...Belay Technologies is seeking a Senior System Administrator to join our intel team. Join a team providing Life Cycle Sustainment (LCS) and modernization activities for commercial and custom-developed education, learning, and training applications supporting the Government...Senior- ...Senior Systems Administrator II Employment Type: Full Time, Senior-level CGS is seeking a Senior Systems Administrator to join our team supporting... ...Government's IT environments, including office automation networks, and PC and server-based databases and applications. -...SeniorFull timeContract workFor contractorsWork at officeFlexible hours
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