CyberSecurity/SysAdmin
Cornerstone Defense
Systems Administrator
Active Secret w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don't look any further than Cornerstone Defense.
Benefits Overview: Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *
Network Infrastructure
Networking concepts, protocols, and security methodologies
Network traffic flow (TCP/IP, OSI, ITIL)
Performance tuning tools and techniques
Remote access technologies
Network protocols (TCP/IP, DHCP, DNS, directory services)
File system implementations (NTFS, FAT, EXT)
IT security principles (firewalls, DMZs, encryption)
Network security architecture (topology, protocols, defense-in-depth)
Cybersecurity principles, threats, and vulnerabilities
National/international cybersecurity laws, regulations, and policies
Organizational IT security policies (account management, access control)
Data security standards (PII, PCI, PHI)
System administration, network, and OS hardening techniques
Software-based protection tools (firewalls, antivirus, anti-spyware)
Enterprise IT architecture
Cloud Computing
Service models (SaaS, IaaS, PaaS)
Deployment models (private, public, hybrid)
Cloud security strategy and architecture
$112.84k - $129.95k
...and Operations Job Qualifications: Skills: Red Hat Enterprise Linux (RHEL), Trouble Ticket Management, Windows System Administration Certifications: None Experience: 5 + years of related experience US Citizenship Required: Yes Job...SuggestedContract workTemporary workLocal areaImmediate startRemote workWorldwideFlexible hours- ...partners. The experts at C6 are research and data-driven and ready to create custom solutions. Summary: We are looking for System Administrators to support VTS support to the USCG. VTS System Administration Support Maintenance refers to the ongoing management,...SuggestedFor contractorsWork at office
$60k - $65k
...Veteran Owned Small Business with over 20 years’ Cybersecurity and Government Contracting experience. Watershed is looking for a Systems Administrator to Install, configure, and support an organization's local area network (LAN), wide area network (WAN), and Internet systems...SuggestedContract workLocal areaMonday to Friday- ...reasonably be assigned.) Involved in all phases of test system design, including requirements generation, hardware design, software... ...Experience: 10+ years of IT experience 5 of system administration supporting Windows in network environment. Experience with networking...SuggestedSeasonal workRemote work
- ...Entrust Government Solutions has an immediate career opportunity for a Systems Administrator to join our Norfolk team. The successful candidate will work under minimal direction providing system administration and Information Technology Service Management (ITSM) to support...SuggestedWork at officeImmediate start
- ...competitive wages in a stimulating environment that will provide you with the flexibility and training tools to grow. The Sr. Systems Administrator is at the forefront of deploying and supporting new technologies at HRT. In support of the strategic initiatives following...Seasonal workWork at officeLocal areaRemote work
- ...Posting Details Working Title Senior Systems Administrator Position Number 00313A Department COMPUTER SCIENCE Location Norfolk, VA Type of Position Classified Type of Job Full Time EEO Category B Professionals Job Description To design, implement...Hourly payFull timeFor contractorsWork visaAfternoon shift
- ...Title: Senior Systems Administrator Agency: ACADEMIC AFFAIRS Location: Norfolk, VA FLSA: Exempt Hiring Range: Full Time or Part Time: Full Time Additional Detail Job Description: To design, implement, support, and maintain the Department...Full timePart time
- ...System Administrator / C4I Systems Support Candidate will support a variety of platforms to include: GCCS, C2PC, C2BMC, JADOCS, ASSET, CAS, BFFT, TBMCS, ADSI and TACVIEW. The candidate will perform engineering and administration duties on Windows and Linux platforms that...
- ...robust portfolio of offerings includes high-end solutions in systems engineering and integration; enterprise IT, including cloud services... ...organization seeking a DoD Secret Cleared Junior Systems Administrator to support daily operations and maintenance activities for...
- ...Cybersecurity Systems Administrator III - Position Description Join a team that’s shaping the future of Navy support. ICI Services—a 100% employee‑owned company proudly celebrating 26 years of excellence—is seeking Cybersecurity Systems Administrator III to support Surface...Civilian ContractorTemporary workFor contractorsImmediate startFlexible hours
- Overview DecisionPoint Corporation is seeking a Senior Systems Administrator (SharePoint) for the Norfolk Naval Shipyard IT Support Services contract. NNSY's mission is to safely return warships to the Fleet on time and within budget. The Systems Administrator (SharePoint...Contract workFor contractors
- Overview ISHPI is seeking a Windows Systems Administrator (on-site)to support the Command and Control (C2) Afloat Integration Support (C2AIS) for the U.S. Coast Guard Command, Control, Communications, Computers, Cyber and Intelligence Service Center (C5ISC) in Portsmouth...
$100k - $120k
AMO, an Akima company, is looking to add a Tier 2 IT System Admin with a Top Secret Clearance to support our customer at the Norfolk... ..., Test & Evaluation (RDT&E) network as a Tier 2 IT System Administrator providing advanced desktop and systems support for network‑connected...Full timePart timeLocal area- ...Your journey starts now—protect and innovate with MANTECH! MANTECH seeks a motivated, career and detail‑oriented Technology & Systems Administrator to support our operations in Portsmouth, VA . This is an onsite position. In this role, you will be involved in managing...Local area
$75.2k - $158.1k
## Sr. Systems (Database) AdministratorHampton, VA, USApply NowFind out how well you match with this jobJob ID328145Job Title: Sr. Systems... ...:**CACI is seeking a cleared Sr. Systems (Database) Administrator to support a virtualized environment running various database...Contract workWork experience placementImmediate startFlexible hours- CACI International Inc. is seeking a cleared Sr. Systems (Database) Administrator located in Hampton, VA. The role involves supporting a virtualized environment running various database technologies, maintaining databases using Microsoft SQL Server and PostgreSQL, and...
- ...Dynamo Technologies LLC is looking to hire an IT System Administrator to support our Air Combat Command (ACC) Intelligence Directorate (A2) program out of Langley AFB, VA. The role focuses on ensuring the smooth functioning of government networks and Video Teleconferencing...Contract work
- ...equivalent to the GS-11 level or equivalent under other pay systems in the Federal service, military or private sector. Applicants... ...such technical specialties as Information Assurance, systems administration, application development and environment management. Diagnoses...Full timePart timeLocal area
- ...Summary HII Mission Technologies is seeking a Sr. Systems Administrator to provide mid-level system administration, lifecycle upgrades, and enterprise support for distributed Navy training environments. This role ensures reliable operation of Linux- and Windows-based systems...Full timeWork experience placementWork at officeLocal area
- ManTech International is seeking a motivated Technology & Systems Administrator to support operations in Portsmouth, VA. This role involves managing critical infrastructure inventory across 50+ USCG sites, requiring extensive travel and hands-on work. Ideal candidates will...
$70k - $100k
...Systems Administrator II Position is contingent upon contract award and funding. Entarian is seeking a Systems Administrator in Dam Neck, VA to support C4ISR Sustainment activities. This requirement covers Field Service Representative (FSR), Fielding, Training, Supply...Contract workWorldwide$75.2k - $158.1k
...Opportunity CACI is seeking a cleared Sr. Infrastructure Systems Administrator at Langley AFB. This immediate need supports the Distributed Ground System (DGS) modernization, system operations and promotion contract. The OA DCGS infrastructure administrator is responsible...Contract workLocal areaImmediate startRemote workFlexible hoursNight shiftWeekend work$60.24k
...Travel Security Clearance Required None POSITION OVERVIEW AND PRIMARY DUTIES AND RESPONSIBILITIES (ESSENTIAL FUNCTIONS): The Systems Administrator is a mid-level systems administration support. Applies advanced knowledge of concepts, processes, practices, and procedures...Full timeContract workWork experience placementLocal area$75.2k - $158.1k
...Job Title Systems Administrator Job Category Information Technology Time Type Full time Minimum Clearance Required to Start TS/SCI Employee Type Regular Percentage of Travel Required Up to 10% Type of Travel Continental US Opportunity We are seeking a motivated and cleared...Full timeShift work- Senior Network and Computer Systems Administrator Job Summary B&A is seeking a Senior Network and Computer Systems Administrator responsible for the design, implementation, and maintenance of enterprise network and server infrastructure to ensure secure, reliable, and...Local area
$101k - $105k
SharePoint Systems Administrator - Top Secret Join our dynamic IT team as a SharePoint Systems Administrator where you'll play a critical role in managing and optimizing our enterprise SharePoint infrastructure. This position requires an active Top-Secret clearance and...$65.59k - $95k
...Description The Navy Integrated Training Environment (NITE) Network Administrator is responsible for the administration, maintenance, and... ...creating and modifying DHCP reservations, patching, and configuring systems in compliance with DoD Security Technical Implementation...Full timeWork experience placementLocal area$75.2k - $158.1k
Job Title: Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local The Opportunity CACI is seeking a highly motivated...Full timeContract workWork experience placementLocal areaImmediate startFlexible hours$75.2k - $158.1k
CACI International Inc is looking for a Systems Administrator in Hampton, Virginia to support Distributed Ground System operations. The role involves maintaining user accounts, troubleshooting issues, and collaborating on system improvements. Applicants should have a minimum...
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